The Cango caves natural monument near Oudtshoorn in the Eastern Cape province of South Africa is one of the first natural resources to receive protection in South Africa. The first Caves Regulation was published in 1820 banning the collection of souvenirs and fines for damaging the caves.
How large the cave complex is is still unknown, but what is known is that it exceeds 5 kilometers in length. The single largest chamber in the complex is 107 meters across and 16 meters high.
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