1. Africa, satellite:

2. Sahara regions: http://en.wikipedia.org/wiki/File:Saharan_topographic_elemen ts_map.png

3. Siwa: http://safari-adventures.org/siwa_oasis.htm

4. Siwa, shali: http://en.wikipedia.org/wiki/File:Siwaoasis.JPG

5. Egypt, satellite: http://familypedia.wikia.com/wiki/Egypt

6. Siwa, ruins (oracle temple): http://www.heatheronhertravels.com/my-vacation-iphone-app- review/

7. Siwa: http://en.wikipedia.org/wiki/File:Oase_Siwa.jpg

8. Siwa, ruins (temple of Amun): http://en.wikipedia.org/wiki/File:Amun_2010.jpg

9. View south of Siwa (Great Sea of Sand): http://en.wikipedia.org/wiki/File:Siwa_sand_dunes2009a.jpg

10. Siwa Lake: http://en.wikipedia.org/wiki/File:Siwa_Oasis2009b.jpg

11. Siwa, panorama: http://upload.wikimedia.org/wikipedia/commons/a/ac/Pano_Si wa_depuis_Dakrur-Battesti.jpg

12. Siwa, mud brick houses (mosque): http://en.wikipedia.org/wiki/File:Mosque_in_Siwa_Oasis_%28 2007%29.jpg

13. Siwa, map: http://www.envegypt.com/siwa/Venue.asp

14. Siwa oasis, salt lake: http://amanyamasr2011.com/TP2.html

15. Qattara Depression: http://zarzora.com/gallery/main.php?g2_itemId=708

16. Grea Sand Sea: http://allegypthotelsguide.com/western_desert_egypt.html

17. Egypt: http://www.nae.edu/Publications/Bridge/V38N2/RemoteSensi ngoftheEarthImplicationsforGroundwaterinDarfur.aspx

18. Radar Ancient rivers in Egypt: http://www.abovetopsecret.com/forum/thread101403/pg1

19. Egypt topography: http://en.wikipedia.org/wiki/File:Egypt_Topography.png

20. Radar image of stream channels: http://en.wikipedia.org/wiki/File:SafsafOasis_SAR_compariso n.jpg

21. Tuareg rider: http://en.wikipedia.org/wiki/File:Hoggar_caravane2.jpg

22. Sahara: http://en.wikipedia.org/wiki/File:Africa_satellite_orthographic.j pg

23. Sahara, volcano (Emi Koussi, Chad): http://en.wikipedia.org/wiki/File:Emi_Koussi- Tibesti_Mountains-Chad.jpg

24. Sahara, Air mountains: http://en.wikipedia.org/wiki/File:Timia_valley.JPG

25. Tenere desert: http://en.wikipedia.org/wiki/File:Arakao1.jpg

26. Richat Structure: http://www.loc.gov/exhibits/earthasart/eaa- exhibit.html?CFID=44867812&CFTOKEN=83532949

27. Artesian System

28. Chebika oasis (Tunisia): http://www.bestourism.com/items/di/219?title=Chebika-Oasis- in-Tunisia&b=33

29. Huachina oasis (Peru): http://www.nazcalines.info/tours/travel_deals/ica_nasca_lines. html

30. Ubari oasis (Libya): http://www.worldinfomatic.com/web/2010/06/04/most- fascinating-oases-of-the-world/

31. Timea Oasis (Niger): http://www.oddee.com/item_92692.aspx