3 of the Longest Construction Projects in History
- STONEHENGE. Location: Wiltshire, England. Construction started: Circa 3500 B.C. ...
- THE GREAT WALL OF CHINA. Location: From Shanhaiguan to Lop Lake, China. Started: Circa 400 B.C. ...
- PETRA. Location: Hashemite Kingdom of Jordan, Petra. Construction started: Circa 600 B.C.