Ravine

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Seweweeks Poort, Swartberg

https://www.sa-venues.com/attractions/gallery/easterncape/440/4.jpg

Tsitsikamma National Park, Eastern Cape

https://en.wikipedia.org/wiki/Potassium_alum

Aluimkloof, Calitzdorp- Western Cape

Wonderboom Nature Reserve, Pretoria

Welgelegen Farm, Stellenbosch

https://sites.google.com/site/mareascott/_/rsrc/1254381395832/news/Table-mountain-news/the-waters-of-life/6.JPG

Table Mountain Water Supply

https://www.greytontourism.com/wp-content/uploads/2015/10/Greyton-Old-DRC-Church-2-300x220.jpg

Greyton, Western Province