Petroglyph Boulder and Rock Gongs

A boulder with a petroglyph of a long-horned bovine and two rock gongs from the Fourth Cataract of the Nile, Sudan. Now in The British Museum, London. Petroglyph: https://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=3287928&partId=1 Rock Gongs: https://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=3287901&partId=1 https://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=3287932&partId=1 293 photos taken in May 2019 with a Sony a6000 and processed in Agisoft Metashape.