File talk:Atelier Nadar 35BoulevardDesCapucines 1860 Nadar.jpg
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Nadir
[編集]
'''Nadir''' - differing only with the "i" from his family name - is the direction in which aerial orthophotos are best to be made, this is exactly vertically downwards to the ground. --Helium4 (talk) 09:56, 4 February 2010 (UTC)
