The discovery of an ancient pavement floor made out of carefully polished stones & giant plates tightly fitted together  were inspected by authorities. The only thing was found…  Caulk  joints between the slabs. What was it for? When was it built? Why was this made? In 1987 Gambia then agreed to NASA’s request as the U.S. space agency was interested … Continue reading Ancient Pavement Strip at Yundum, Gambia Airport?