ancient water tank 800 feet long

http://www.knowledge.co.uk/frontiers/sf038/sf038p02.htm

system engineering the pyramids

http://ourworld.compuserve.com/homepages/Prof_Hitchins/SysPyr.html

Phoenician stuff

http://www.newdawnmagazine.com.au/Resources/arts/44d.html

water project in China

http://www.chinapac.com/05cities/05b/05b_16.html

seven wonders

http://pharos.bu.edu/Egypt/Wonders/Home.html

home

48 meter diameter concrete dome, standing since 125 A.D. -