Category:Tunnels

Subkategorieë

Hierdie kategorie bevat die volgende 44 subkategorië, uit 'n totaal van 44.

Bladsye in kategorie "Tunnels"

Die volgende 2 bladsye is in hierdie kategorie, uit 'n totaal van 2.

Media in kategorie "Tunnels"

Die volgende 200 lêers is in hierdie kategorie, uit 'n totaal van 312.

• 
  144-202.LK--Nay Aug Tunnel--Clearances--Scranton, PA (c7340f6b-568d-4cd1-ba12-3c3f01c84637).jpg 6 518 × 4 219; 5,45 MG
  
• 
  Astronauts in weightlessness.jpg 2 807 × 2 091; 6,74 MG
  
• 
  A Tunnel.jpg 2 432 × 4 320; 2,53 MG
  
• 
  Au travers de Liège par la liaison E40-E25.pdf 1 239 × 1 752, 97 bladsye; 11,72 MG
  
• 
  Interior section of the Chicago Lake tunnel (NYPL b11707455-G90F178 003F).tiff 3 072 × 1 736; 15,26 MG
  
• 
  Interior section of the Chicago Lake tunnel (NYPL b11707455-nypl pho 199).tiff 6 510 × 4 888; 91,04 MG
  
• 
  Marble quarry, North Adams (NYPL b11707516-G90F241 006F).tiff 3 072 × 1 753; 15,41 MG
  
• 
  Entrance to tunnel, east end (NYPL b11707516-G90F241 007F).tiff 3 072 × 1 665; 14,64 MG
  
• 
  Entrance to tunnel, east end (NYPL b11707516-G90F241 008F).tiff 3 072 × 1 679; 14,76 MG
  
• 
  Entrance to tunnel, west end (NYPL b11707516-G90F241 010F).tiff 3 072 × 1 660; 14,59 MG
  
• 
  Machinery for compressing air, central shaft (NYPL b11707516-G90F241 011F).tiff 3 072 × 1 626; 14,29 MG
  
• 
  Natural bridge (NYPL b11707516-G90F241 012F).tiff 3 072 × 1 638; 14,4 MG
  
• 
  Construction view of the east side (NYPL b11707516-G90F241 013F).tiff 3 072 × 1 653; 14,53 MG
  
• 
  Deerfield valley, looking north (NYPL b11707516-G90F241 014F).tiff 3 072 × 1 740; 15,3 MG
  
• 
  Men and children posed at the blacksmith's shop at the east end of the tunnel (NYPL b11707516-G90F241 015F).tiff 3 072 × 1 696; 14,91 MG
  
• 
  Hoosac Tunnel, Mass (NYPL b11707516-G90F241 016F).tiff 3 072 × 1 734; 15,24 MG
  
• 
  View of construction (NYPL b11707516-G90F241 017F).tiff 3 072 × 1 708; 15,01 MG
  
• 
  View of construction (NYPL b11707516-G90F241 018F).tiff 3 072 × 1 775; 15,6 MG
  
• 
  Buildings and tracks near the tunnel (NYPL b11707516-G90F241 019F).tiff 3 072 × 1 694; 14,89 MG
  
• 
  Portal (NYPL b11707516-G90F241 020F).tiff 3 072 × 1 772; 15,58 MG
  
• 
  Deerfield river, looking up (NYPL b11707516-G90F241 021F).tiff 3 072 × 1 686; 14,82 MG
  
• 
  The "N.C.Munson," first engine through Hoosac tunnel, February 9th, 1875 (NYPL b11707516-G90F241 022F).tiff 3 072 × 1 692; 14,87 MG
  
• 
  Hoosac Tunnel-interior view, showing drill carriage and pipes (NYPL b11707516-G90F241 023F).tiff 3 072 × 1 704; 14,98 MG
  
• 
  Hoosac Tunnel-interior view (NYPL b11707516-G90F241 024F).tiff 3 072 × 1 701; 14,95 MG
  
• 
  Workers at mouth of tunnel (NYPL b11707516-G90F241 025F).tiff 3 072 × 1 672; 14,7 MG
  
• 
  Fearful bridge (NYPL b11707516-G90F241 026F).tiff 3 072 × 1 693; 14,88 MG
  
• 
  West portal-entrance (NYPL b11707516-G90F241 027F).tiff 3 072 × 1 769; 15,55 MG
  
• 
  West portal-entrance (NYPL b11707516-G90F241 028F).tiff 3 072 × 1 747; 15,36 MG
  
• 
  West portal-showing archway (NYPL b11707516-G90F241 029F).tiff 3 072 × 1 697; 14,92 MG
  
• 
  View from Rock Arbor-looking down str (NYPL b11707516-G90F241 030F).tiff 3 072 × 1 694; 14,89 MG
  
• 
  West entrance of arch (NYPL b11707516-G90F241 031F).tiff 3 072 × 1 705; 14,99 MG
  
• 
  West entrance of arch (NYPL b11707516-G90F241 032F).tiff 3 072 × 1 693; 14,88 MG
  
• 
  West entrance of arch looking out (NYPL b11707516-G90F241 033F).tiff 3 072 × 1 705; 14,99 MG
  
• 
  East end-near view (NYPL b11707516-G90F241 034F).tiff 3 072 × 1 675; 14,72 MG
  
• 
  East end-miners going in (NYPL b11707516-G90F241 035F).tiff 3 072 × 1 694; 14,89 MG
  
• 
  East end-miners going in (NYPL b11707516-G90F241 036F).tiff 3 072 × 1 690; 14,86 MG
  
• 
  Blacksmith shop, &c., east end (NYPL b11707516-G90F241 037F).tiff 3 072 × 1 687; 14,83 MG
  
• 
  Blacksmith shop, &c., east end (NYPL b11707516-G90F241 038F).tiff 3 072 × 1 731; 15,22 MG
  
• 
  Machine shop (NYPL b11707516-G90F241 039F).tiff 3 072 × 1 769; 15,55 MG
  
• 
  Compressor building and dump (NYPL b11707516-G90F241 040F).tiff 3 072 × 1 724; 15,15 MG
  
• 
  Hawkins' well-no. 4 (NYPL b11707516-G90F241 041F).tiff 3 072 × 1 700; 14,94 MG
  
• 
  Hawkins' well-no. 4 (NYPL b11707516-G90F241 042F).tiff 3 072 × 1 707; 15,01 MG
  
• 
  Near view of central shaft building, eng'rs at work (NYPL b11707516-G90F241 043F).tiff 3 072 × 1 726; 15,17 MG
  
• 
  Miners descending the west shaft (NYPL b11707516-G90F241 044F).tiff 3 072 × 1 684; 14,8 MG
  
• 
  Jenks & Rice's hotel-across the Deerfield (NYPL b11707516-G90F241 045F).tiff 3 072 × 1 683; 14,79 MG
  
• 
  Views of a covered bridge over the Deerfield River (NYPL b11707516-G90F241 046F).tiff 3 072 × 1 741; 15,3 MG
  
• 
  Jenks & Rice's hotel-from R. R. tracks (NYPL b11707516-G90F241 047F).tiff 3 072 × 1 764; 15,51 MG
  
• 
  Jenks & Rice's hotel-from R. R. tracks (NYPL b11707516-G90F241 048F).tiff 3 072 × 1 717; 15,09 MG
  
• 
  View of railroad construction from hill (NYPL b11707516-G90F241 049F).tiff 3 072 × 1 681; 14,78 MG
  
• 
  Steam shovel at work (NYPL b11707516-G90F241 050F).tiff 3 072 × 1 704; 14,98 MG
  
• 
  View of dam 1-4 mile above machine shop (NYPL b11707516-G90F241 051F).tiff 3 072 × 1 728; 15,19 MG
  
• 
  View of dam at foot of cascade, 1-4 mile up creek (NYPL b11707516-G90F241 052F).tiff 3 072 × 1 701; 14,95 MG
  
• 
  View of the cascade 125 feet high, 1-4 mile up the creek, to the right of the mouth of tunnel at east end (NYPL b11707516-G90F241 053F).tiff 3 072 × 1 680; 14,77 MG
  
• 
  View of the cascade 125 feet high, 1-4 mile up the creek, to the right of the mouth of tunnel at east end (NYPL b11707516-G90F241 054F).tiff 3 072 × 1 710; 15,03 MG
  
• 
  View of the cascade 200 feet high, 1-4 mile up the creek, to the right of the mouth of tunnel at east end (NYPL b11707516-G90F241 055F).tiff 3 072 × 1 694; 14,89 MG
  
• 
  Central shaft 583 feet deep, showing new buildings (NYPL b11707516-G90F241 056F).tiff 3 072 × 1 721; 15,13 MG
  
• 
  West end as it appears from the original standpoint, looking north-east (NYPL b11707516-G90F241 057F).tiff 3 072 × 1 692; 14,87 MG
  
• 
  East end, October 1st, 1868 (NYPL b11707516-G90F241 058F).tiff 3 072 × 1 680; 14,77 MG
  
• 
  East end, October 1st, 1868 (NYPL b11707516-G90F241 059F).tiff 3 072 × 1 711; 15,04 MG
  
• 
  View of east end of tunnel looking out (NYPL b11707516-G90F241 060F).tiff 3 072 × 1 687; 14,83 MG
  
• 
  Shelburne falls rapids (NYPL b11707516-G90F241 061F).tiff 3 072 × 1 643; 14,44 MG
  
• 
  Shelburne falls rapids (NYPL b11707516-G90F241 062F).tiff 3 072 × 1 611; 14,16 MG
  
• 
  Shelburne falls general view (NYPL b11707516-G90F241 063F).tiff 3 072 × 1 656; 14,56 MG
  
• 
  East cascade (NYPL b11707516-G90F241 064F).tiff 3 072 × 1 638; 14,4 MG
  
• 
  Machine shop at east end (NYPL b11707516-G90F241 065F).tiff 3 072 × 1 678; 14,75 MG
  
• 
  Machine shop at east end (NYPL b11707516-G90F241 066F).tiff 3 072 × 1 679; 14,76 MG
  
• 
  Natural bridge (NYPL b11707516-G90F241 067F).tiff 3 072 × 1 651; 14,51 MG
  
• 
  Entrance to central shaft (NYPL b11707516-G90F241 068F).tiff 3 072 × 1 662; 14,61 MG
  
• 
  General view of the central shaft (NYPL b11707516-G90F241 069F).tiff 3 072 × 1 640; 14,42 MG
  
• 
  Entrance to tunnel, west end (NYPL b11707516-G90F241 070F).tiff 3 072 × 1 635; 14,37 MG
  
• 
  Entrance to tunnel, east end (NYPL b11707516-G90F241 071F).tiff 3 072 × 1 646; 14,47 MG
  
• 
  Hoosac mountain (NYPL b11707516-G90F241 072F).tiff 3 072 × 1 636; 14,38 MG
  
• 
  Deerfield dam (NYPL b11707516-G90F241 073F).tiff 3 072 × 1 719; 15,11 MG
  
• 
  Hoosac Tunnel, west end (NYPL b11707516-G90F241 074F).tiff 3 072 × 1 738; 15,28 MG
  
• 
  Railroad and river (NYPL b11707516-G90F241 075F).tiff 3 072 × 1 706; 15 MG
  
• 
  Prof. Mowbray's nitro-glycerine works at the west shaft, North Adams, Mass (NYPL b11707516-G90F241 076F).tiff 3 072 × 1 731; 15,22 MG
  
• 
  Hoosac house and mountain (NYPL b11707516-G90F241 077F).tiff 3 072 × 1 685; 14,81 MG
  
• 
  Stone dam at glan mill (NYPL b11707516-G90F241 078F).tiff 3 072 × 1 726; 15,17 MG
  
• 
  Natural bridge, looking up stream (NYPL b11707516-G90F241 079F).tiff 3 072 × 1 704; 14,98 MG
  
• 
  Natural bridge, looking down stream (NYPL b11707516-G90F241 080F).tiff 3 072 × 1 725; 15,16 MG
  
• 
  Lover's retreat near nat. bridge (NYPL b11707516-G90F241 081F).tiff 3 072 × 1 714; 15,07 MG
  
• 
  View of the central shaft after a naptha explosion (1867) where thirteen were killed, showing people at the top of the shaft awaiting the recovery of bodies (NYPL b11707516-G90F241 082F).tiff 3 072 × 1 714; 15,07 MG
  
• 
  Miners descending the west shaft (NYPL b11707516-G90F241 083F).tiff 3 072 × 1 698; 14,93 MG
  
• 
  West end, showing the brick arch (NYPL b11707516-G90F241 084F).tiff 3 072 × 1 701; 14,95 MG
  
• 
  West end, showing the brick arch (NYPL b11707516-G90F241 085F).tiff 3 072 × 1 691; 14,86 MG
  
• 
  West end from the original surface standpoint, looking north-east (NYPL b11707516-G90F241 086F).tiff 3 072 × 1 684; 14,8 MG
  
• 
  East end of tunnel, showing bed of road (NYPL b11707516-G90F241 087F).tiff 3 072 × 1 670; 14,68 MG
  
• 
  East end of tunnel, showing bed of road (NYPL b11707516-G90F241 088F).tiff 3 072 × 1 686; 14,82 MG
  
• 
  Dam on the Deerfield (NYPL b11707516-G90F241 089F).tiff 3 072 × 1 703; 14,97 MG
  
• 
  Miners descending the west shaft with the Burleigh Drill (NYPL b11707516-G90F241 090F).tiff 3 072 × 1 726; 15,17 MG
  
• 
  The new air compressors which furnish power to drive the drills, about 500 feet below the surface of the earth (NYPL b11707516-G90F241 091F).tiff 3 072 × 1 704; 14,98 MG
  
• 
  The new air compressors which furnish power to drive the drills, about 500 feet below the surface of the earth (NYPL b11707516-G90F241 092F).tiff 3 072 × 1 720; 15,12 MG
  
• 
  Hoosac Tunnel (NYPL b11707516-G90F241 093ZF).tiff 3 072 × 1 901; 16,71 MG
  
• 
  Interior view of Hoosac tunnel (NYPL b11707516-G90F241 094ZF).tiff 3 072 × 1 870; 16,44 MG
  
• 
  Hoosac Tunnel, east portal and mountain (NYPL b11707516-G90F241 095ZF).tiff 3 072 × 2 019; 17,75 MG
  
• 
  Hoosac Tunnel, east portal and mountain (NYPL b11707516-G90F241 096ZF).tiff 3 072 × 1 996; 17,55 MG
  
• 
  Hoosac Tunnel, east portal and mountain (NYPL b11707516-G90F241 097ZF).tiff 3 072 × 2 042; 17,95 MG
  
• 
  West portal, section 6, sta. 20184 (NYPL b11707565-G90F311 028ZF).tiff 3 072 × 1 952; 17,16 MG
  
• 
  East portal, sec. 6 (NYPL b11707565-G90F311 029ZF).tiff 3 072 × 1 928; 16,95 MG
  
• 
  Rock cut, sta. 290, sec. 8 (NYPL b11707565-G90F311 034ZF).tiff 3 072 × 1 925; 16,92 MG
  
• 
  West portal of tunnel, sec. 8 (NYPL b11707565-G90F311 035ZF).tiff 3 072 × 1 928; 16,95 MG
  
• 
  East portal, sec. 8, sta. 30978 (NYPL b11707565-G90F311 036ZF).tiff 3 072 × 1 919; 16,87 MG
  
• 
  The Tunnel in the Jackson Iron Mine (NYPL b11707595-G90F384 016F).tiff 3 072 × 1 722; 15,14 MG
  
• 
  The Tunnel, River Drive, Philadelphia, Pa (NYPL b12647398-68839).tiff 2 392 × 1 599; 10,95 MG
  
• 
  The Tunnel, River Drive, Fairmount Park, Philadelphia, Pa (NYPL b12647398-74132).tiff 2 392 × 1 559; 10,68 MG
  
• 
  Bodleian Libraries, Thames Tunnel 171.jpg 1 000 × 750; 90 KG
  
• 
  Bodleian Libraries, Thames Tunnel.jpg 1 000 × 750; 52 KG
  
• 
  Bouw tunnel Venlo, Aug 2010 - panoramio.jpg 1 200 × 1 600; 323 KG
  
• 
  Braunwald-Gumen.jpg 3 864 × 2 368; 1,8 MG
  
• 
  Byhaugtunnel.jpg 4 608 × 3 456; 6,37 MG
  
• 
  Bürgerwaldtunnel, Ein und Ausfahrt Tiengen Ost.JPG 5 351 × 3 567; 2,68 MG
  
• 
  C3M Ramboll Study for proposed tunnel routes between Guernsey Jersey and Lower Normandy.jpg 1 200 × 723; 113 KG
  
• 
  Camino de Hierro La Fregeneda Parque Natural Arribes del Duero Salamanca Tunel 8 Cega Verde.jpg 6 000 × 4 000; 9,41 MG
  
• 
  Cascada Puente de Dios.jpg 3 024 × 4 032; 1,93 MG
  
• 
  Cascade Tunnel at the west portal, Scenic, June 15, 1926 (PICKETT 376).jpg 768 × 607; 126 KG
  
• 
  Cheung Tsing Tunnel, Hong Kong.jpg 3 840 × 2 160; 3,3 MG
  
• 
  Christus1.jpg 956 × 556; 367 KG
  
• 
  Comboio que passava sentido Guaianã no túnel da Variante Boa Vista-Guaianã km 192 em Itu - panoramio.jpg 1 600 × 1 196; 1,05 MG
  
• 
  Construction of brick lined tunnel(GN03586).jpg 3 264 × 2 448; 1 021 KG
  
• 
  Construction of forebay leading into penstock tunnels, May 30, 1911 (SPWS 114).jpg 768 × 610; 94 KG
  
• 
  Construction of tunnel shaft no 2 with view of concrete mixer and steam drills, February 2, 1911 (SPWS 107).jpg 768 × 609; 102 KG
  
• 
  CorridorArch.JPG 3 296 × 2 472; 892 KG
  
• 
  Crypta Romana.JPG 3 072 × 1 728; 2,25 MG
  
• 
  Dänischenhagener Mühlenau, Unterführung B503 - panoramio (1).jpg 2 592 × 1 936; 2,31 MG
  
• 
  Dänischenhagener Mühlenau, Unterführung B503 - panoramio.jpg 1 936 × 2 592; 2,24 MG
  
• 
  East bound coalie entering western portal during snow - panoramio.jpg 1 880 × 2 816; 1,94 MG
  
• 
  Emergency-and-rescue-shelter-for-underground-environment-mines-tunnels-subroca.png 1 014 × 678; 705 KG
  
• 
  End of the tunnel that leads to Niagara Falls.jpg 1 536 × 1 152; 121 KG
  
• 
  Energietuebbing-cad.tif 1 024 × 475; 1,39 MG
  
• 
  Energietuebbing-cad2.jpg 640 × 297; 83 KG
  
• 
  Entrance to a tunnel that goes underneath the Pacific Motorway. - Asquith, Sydney 2022 - Graffiti 2.jpg 6 576 × 1 792; 4,02 MG
  
• 
  EXIT (27917694546).jpg 2 737 × 2 737; 5,16 MG
  
• 
  File-A0305-2--Main Line Scranton Division--Nay Aug Tunnel--East End -1905.12.11- (73a9460c-fd3c-4360-95d1-08048ac5b1c8).jpg 5 843 × 4 602; 1,54 MG
  
• 
  File-A0310-A0314--Main Line Scranton Division--Nay Aug Tunnel -1906.01.02- (380ea3ca-3435-4145-ad1d-f39e0304a0f2).jpg 3 924 × 3 097; 1,36 MG
  
• 
  File-A0310-A0314--Main Line Scranton Division--Nay Aug Tunnel -1906.01.02- (9834d25f-6522-44a0-9e8d-2cc78c300290).jpg 3 924 × 3 097; 1,46 MG
  
• 
  Forebay showing entrance to the three tunnels which will contain penstocks, August 23, 1911 (SPWS 120).jpg 768 × 605; 64 KG
  
• 
  Tunnel, arch, man, walking cane Fortepan 4584.jpg 3 005 × 3 391; 5,22 MG
  
• 
  A Slasko-Dabrowski hídról levezető út az óvárosi alagút felé, szemben a Szent Anna-templom. Fortepan 54652.jpg 5 473 × 3 647; 8,16 MG
  
• 
  1914 Fortepan 62768.jpg 4 347 × 5 566; 9,72 MG
  
• 
  Fuehrungen Tour A Bild 15 Holger Happel.jpg 6 240 × 4 160; 8,1 MG
  
• 
  Gegenminengang Fort Niedergrünewald.jpg 4 032 × 3 024; 3,04 MG
  
• 
  Gigerwaldsee Tamina Grundablassstollen, Pfäfers SG 20190904-jag9889.jpg 4 608 × 3 456; 11,37 MG
  
• 
  Grabstätte Eisenhofer vor dem Khun Tan Tunnel.jpg 3 264 × 2 448; 2,24 MG
  
• 
  Grasdalstunnelen.jpg 4 272 × 2 848; 4,01 MG
  
• 
  Great Northern Railroad, Wellington disaster (CURTIS 1726).jpeg 768 × 512; 34 KG
  
• 
  H-segons-contingut.jpg 713 × 265; 102 KG
  
• 
  The Natural Tunnel, (Scott County, Va.) (NYPL Hades-256675-EM15020).tiff 3 791 × 6 000; 65,09 MG
  
• 
  HD@DH.nrw Straße mit Wegweiser und Tunnel.svg 512 × 240; 4 KG
  
• 
  HERA-Tunnel.jpg 1 772 × 1 201; 475 KG
  
• 
  Hiding complex.jpg 4 032 × 1 960; 2,88 MG
  
• 
  Hohle Felsen - Eingang zur großen Höhle.jpg 3 648 × 2 736; 3,71 MG
  
• 
  Hoist used to lower equipment and men to dig tunnel from outlet canal to penstocks, northwest of Lake Tapps, July 18, 1910 (SPWS 125).jpg 768 × 609; 103 KG
  
• 
  HPC-000221.jpg (2cb006852c554d51ae580184c0db0373).jpg 516 × 364; 47 KG
  
• 
  Hunza Tunnel.jpg 4 032 × 3 024; 2,14 MG
  
• 
  Ie defence positions.png 1 217 × 724; 803 KG
  
• 
  Immersed tube type a.svg 914 × 728; 662 KG
  
• 
  Immersed tube type b.svg 795 × 749; 808 KG
  
• 
  Installation of gates for the three small tunnels which will contain the penstocks, May 15, 1911 (SPWS 155).jpg 768 × 634; 89 KG
  
• 
  Installation of steel Y-shaped tunnels underneath standpipes, October 15, 1924 (SPWS 82).jpg 768 × 608; 114 KG
  
• 
  Installing the penstocks in the tunnels, July 20, 1911 (SPWS 665).jpg 768 × 611; 87 KG
  
• 
  InTheCryptByDesignermadsen-dfc2s7r.png 2 048 × 1 152; 3,91 MG
  
• 
  Klados gusztav.jpg 640 × 427; 98 KG
  
• 
  Korean highway Expressway in South Korea Tunnel.jpg 2 560 × 1 428; 501 KG
  
• 
  Kurzer Tunnel bei Bärschwil 1.jpg 4 000 × 6 000; 9,75 MG
  
• 
  La Revue métallurgique, commerciale & financière - 05 novembre 1876 - BnF Gallica - bpt6k54986838 5.jpg 2 741 × 1 994; 1,79 MG
  
• 
  Layers of reinforcing bars at the tunnel intake, September 8, 1925 (SPWS 327).jpg 768 × 609; 80 KG
  
• 
  Little Tunnel On The KVR - panoramio.jpg 1 920 × 2 560; 1,13 MG
  
• 
  Main tunnel, northwest of Lake Tapps, leading into forebay and penstock tunnels, July 28, 1911 (SPWS 108).jpg 478 × 600; 49 KG
  
• 
  Man standing in completed penstock tunnel between dam and powerhouse, October 22, 1925 (SPWS 384).jpg 768 × 610; 55 KG
  
• 
  Men at entrance to concrete tunnel at Masonry Dam, April 7, 1913 (SPWS 55).jpg 750 × 600; 121 KG
  
• 
  Men at north end of penstocks that connect to the powerhouse, June 13, 1925 (SPWS 352).jpg 768 × 610; 79 KG
  
• 
  Miners with carts at the entrances to mining tunnels at Boulder Hill, Yukon Territory, circa 1898 (AL+CA 1439).jpg 768 × 586; 45 KG
  
• 
  Mitchell Point Tunnel (22476093746).jpg 1 923 × 3 260; 2,49 MG
  
• 
  Mont-Blanc-Tunnel im Längsschnitt.png 2 801 × 2 099; 272 KG
  
• 
  Mt. Saint Helens post-eruption hydrology alterations.jpg 1 453 × 892; 547 KG
  
• 
  Mysterious tunnel, 9-26-24 LCCN2016849521.tif 4 454 × 6 053; 25,71 MG
  
• 
  N-123 entrada al túnel de Olvena n°10.jpg 4 032 × 3 024; 4,37 MG
  
• 
  N-123 entrada al túnel de Olvena n°9.jpg 3 024 × 4 032; 4,12 MG
  
• 
  Nameplate of Bangabandhu Sheikh Mujibur Rahman Tunnel.jpg 1 781 × 680; 191 KG
  
• 
  Nanjing Yangtze River Tunnel.JPG 3 000 × 4 000; 3,64 MG
  
• 
  NEAT GBT engl crop.png 701 × 605; 1,03 MG
  
• 
  New electric locomotive near Cascade Tunnel, May 7, 1927 (MOHAI 6448).jpg 700 × 546; 73 KG
  
• 
  Nouvelle Caledonie - Tonghoue - Inauguration du Tunnel.jpg 1 004 × 634; 188 KG
  
• 
  Old mine - panoramio (1).jpg 2 048 × 1 361; 616 KG
  
• 
  Old Railroad Tunnel Keystone Canyon.jpg 604 × 453; 52 KG
  
• 
  Old Tunnel - panoramio.jpg 4 000 × 2 248; 2,32 MG
  
• 
  Orchard Expressway (fantasy).jpg 3 015 × 816; 245 KG
  
• 
  Orchard Tunnel (fantasy).jpg 1 543 × 4 499; 615 KG
  
• 
  Parenzana Tunnel bei Vižinada.jpg 4 000 × 2 992; 8,43 MG
  
• 
  Partly Collapsed Tunnel - panoramio.jpg 4 000 × 2 248; 1,77 MG
  
• 
  Pass to the beach.jpg 1 760 × 3 201; 875 KG
  
• 
  Pass to the sea.jpg 1 261 × 1 900; 1,16 MG
  
• 
  Penstock tunnels under construction at the Gorge Dam Powerhouse site, April 1922 (SPWS 163).jpg 768 × 510; 94 KG
  
• 
  Pilgrims Tunnel, Tigray, Ethiopia (8204280851).jpg 888 × 590; 62 KG
  
• 
  Pipe Jacking Tunneling Navigation System.jpg 1 000 × 500; 243 KG
  
• 
  Pixella15478 (24325855175).jpg 5 760 × 3 840; 8,02 MG
  
• 
  Povazsky.jpg 1 280 × 960; 241 KG
  
• 
  Predor za kolesarje in pešce Kostanjevica.jpg 4 032 × 3 024; 11,85 MG
  
• 
  Predor za pešce in kolesarje Kostanjevica.jpg 4 032 × 3 024; 11,28 MG
  
• 
  PSM V83 D344 Map of the irish sea.png 1 741 × 2 207; 200 KG