(Info: https://whc.unesco.org/en/list/1226, Photo by Isaac Turay)
The site consists of four groups of stone circles, Sine Ngayène, Wanar, Wassu and Kerbatch. The monuments date back to 3rd century BC, and were created over a time period of more than 1,500 years. They are remnants of a thriving and organized society. Pictured above are the Wassu Stone Circles in Gambia.