Guide to the Cradle of Humankind: Sterkfontein, Swartkrans, Kromdraai & Environs World Heritage Site. Cape Town, South Africa: Struik Publisher. . .

* Nikki Forrester (8 December 2025), , Nature 648, 492 (2025). By studying caves near his home in Johannesburg, South Africa, local geologist Tebogo Makhubela ventures into places people have never been before.

External links

* , BBC News, 28 November 2013
* --National Geographic, November

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