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About a year after Ezra’s find, the mining town of Randsburg sprang up around a big gold find — the town and the mine named optimistically for the immense Witwatersrand gold fields in South Africa.

Other interpretations focus on the spiritual, rather than social, importance of the animals, said Sam Challis, who heads the Rock Art Research Institute at the University of the Witwatersrand.

In high school, he saw a magazine article about a game design course opening at the local University of the Witwatersrand.

“I think all of us can agree it's about time we have change,” says Lerato Setsiba, a computer science student at Johannesburg’s University of Witwatersrand.

It was only a casual net while studying a sports psychology degree at the University of the Witwatersrand that set him on a new course.