View towards the mountains which formed the Bui Dam site gorge, standing on Bui Kataa, south side of the Black Volta River. In the foreground, Nelson Anane stands in an archaeological test pit. Bui Kataa (old Bui) was a riverside site occupied during the 19th century and possibly before. This area was flooded by the rising waters of Bui Lake as if formed behind Bui Dam after 2012. Bui Kataa, 11 June, 2008.