The challenge will remain open for submissions throughout March UTC.
Checklist for this theme:
Photographs must be the work of the nominator.
Photographs must be newly uploaded to Commons during the challenge submission period i.e. March 2018 UTC (but may have been taken earlier).
Submissions must be added to the top of the Entries section below.
Please do not nominate lots of similar photos; instead choose just your best and most varied images.
Add your entry between the <gallery> tags as indicated. Gallery entries are placed each on a new line, and consist of the filename, a vertical bar |, and a description. For example:
Electric steam iron.jpg|An electric steam iron
For help on the syntax of entries in a gallery see Help:Gallery tag. Please do not add square brackets [[ ]] or include a thumb parameter or the full URL. The File: prefix is not required, but harmless.
Restriction: A maximum of four entries can be submitted per photographer.
Underpass at the column of Magdeburg Law in Kiev with a map of the old Kyiv, Ukraine
Poterna of the Lisogirsky fort of the New Pechersk fortress, Kiev, Ukraine
Semi-flooded Stalin underground tunnel on Zhukov island, Kiev, Ukraine
Pedestrian underpass at Central Park in Manhattan - NY
Tunnel entrance on the Diakofto–Kalavryta rack railway line, Greece
Homer Tunnel in Fiordland National , South Island of New Zealand
Homer Tunnel in Fiordland National , South Island of New Zealand
Hohburg-Tunnel im Wald bei Moritzburg, Germany
Feltenovskaya arch. St. Petersburg. 2008
Gallery (Tunnel) along the Panorama Trail in Braunwald, Switzerland
Walking trail at Lago di Lucendro near the Gotthard Pass, Switzerland
Underpass at the Lugano train station, Switzerland
Along the irrigation channel in the Baltschieder Valley, Switzerland
Biker in a Parisian underpass.
Motorway underpass under the A73 of the ICE new line from Munich to Berlin
Pedestrian Tunnel in East Wenatchee, Washington
Railroad tunnel "Stadtwaldtunnel" in Essen, Germany.
Railroad tunnel "Almer Tunnel" in Brilon, Germany.
The southern mouth of the Dartford Tunnel, England.
Amphitheater von Trier
Tunnel in the "Studio Tour ride", of Universal Studios Hollywood.- Los Angeles, USA
To get to the pier in Brigus, NL, they blasted a tunnel through the rock from the beach on the other side.
Underpass in Berlin with tent of homeless
Mysterious tunnels near Grenoble, France
Underpass 'Porta a terra' under the Medicean bastions (1555), Portoferraio, Tuscany, Italy
Schwarzkopf-Tunnel, Spessart, Germany
Tunnel near Narni, Umbria, Italy
Въезд в тоннель
Railway tunnel in Sy (Ferrières) - Belgium
A2 Austria
London
Ein kleines Mädchen im riesigen Tunnel hat den Blick auf sich sofort gezogen, auch die Farben waren interessant, orange Jacke im Grauen Wänden hat die Emotionen geweckt.
Emotionen haben dem Bild den Namen gegeben... Berlin, Deutschland.
Kajigaya-Zuidō in Kizugawa, Kyoto prefecture, Japan.