Theese engraved images of two giraffes, estimated to be some seven to nine thousand years old, have been found atop a 50-foot-high sandstone outcrop in the Sahara Desert of northeastern Niger in 1998 https://t.co/wfMkOgKugv pic.twitter.com/QN6LN6BTXy
— Massimo (@Rainmaker1973) August 27, 2019