regarding some Qattara Depression, proposals:
http://www.freerepublic.com/focus/news/1787143/posts?page=11#11
http://www.freerepublic.com/focus/news/3096344/posts?page=16#16
a bit more:
http://www.freerepublic.com/focus/chat/3343030/posts?page=17#17
http://www.freerepublic.com/focus/chat/2096856/posts?page=19#19
http://www.freerepublic.com/focus/news/1562135/posts?page=27#27
sidebars:
http://www.freerepublic.com/focus/chat/2636761/posts
http://www.freerepublic.com/focus/news/1069653/posts