Question: why was twyfelfontein considered as a heritage site?
Answer: Twyfelfontein is famous because of its many rock paintings and rock engravings (Petroglyphs) of the San (Bushmen) of which 2500 were counted. Specifications about the age of the engravings fluctuate and a period of 1000 – 10000 years is stated. ... UNESCO declared Twyfelfontein as World Heritage Site in 2007.