…other, Ngorongoro Conservation Area (cropped and reversed, after photo Pedrito, wikipedia); (bottom) the handaxe in situ (cropped, modified, after Diez-Martin, Sánchez Yustos, et al., 2015:Fig. S30). Olduvai Gorge, Tanzania. Middle Bed II, MNK Main site, between Tuff IIC and Tuff…