Twyfelfontein or /Ui-//aes has one of the largest concentrations of [...] petroglyphs, i.e. rock engravings in Africa. Most of these well-preserved engravings represent rhinoceros, . The site also includes six painteelephant, ostrich and giraffe, as well as drawings of human and animal footprintsd rock shelters with motifs of human figures in red ochre. The objects excavated from two sections, date from the Late Stone Age. The site forms a coherent, extensive and high-quality record of ritual practices relating to hunter-gatherer communities in this part of southern Africa over at least 2,000…