In geology, a valley or dale is a depression with predominant extent in one direction. A very deep river valley may be called a canyon or gorge.
The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys. Most valleys belong to one of these two main types or a mixture of them, at least with respect of the cross section of the slopes or hillsides.
(http://en.wikipedia.org/wiki/Valley (acessed 11/05/10)
(http://www.valleys.com/(acessed 11/05/10)
Chosen Clients
Miranda Kerr
Australia
Rainbow Valley
Source:
http://www.chiefontour.com/gallery-images/Outback/RainbowValley-1.jpg
http://www.photography-match.com/views/images/gallery/Kata_Tjuta_The_Olgas_at_Sunset_Uluru_Kata_Tjuta_National_Park_Australia.jpg
Helen Keller
America
Byrce Canyon
Source:http://www.vesterink.nl/pics/brycecanyon.jpg
http://farm3.static.flickr.com/2283/2107548998_c0fcb1ee9b.jpghttp://www.pdphoto.org/jons/pictures3/bryce_7_bg_070403.jpg
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