Botswana's Okavango Delta - Africa's largest endorheic delta protected by UNESCO

Moreover, it is considered as Africa's third largest alluvial fan and the ... some of oldest artefacts, promoting cultural heritage of country.

Source : https://www.google.com/url?rct=j&sa=t&url=https://azertag.az/en/xeber/Botswana_039s_Okavango_Delta___Africa_039s_largest_endorheic_delta_protected_by_UNESCO-2365448&ct=ga&cd=CAIyGjU4NWYwZjg5NjgyMTEwZGM6Y29tOmVuOlVT&usg=AOvVaw1px2SK2_vvjlFyymwyNiSh