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TARA is an international Nairobibased organisation committed to recording the rich rock art heritage of the African continent to making this information widely accessible and to the extent possible safeguarding those sites most threatened by humans and nature. To achieve its mission TARA works closely with communities where rock art is found as well as with national and international heritage bodies including the UNESCO World Heritage Centre. Donate to Help our Conservation Work News Rock Art Safaris Rock Art Drawings Rock Art Galleries Threats and Conservation TARA Interactive Rock Art Map Rock Art in the Green Sahara The Sahara is the worlds largest hot desert spanning the entire northern part of Africa. Yet it hasnt always been dry archaeological and geological research shows that it has undergone major climatic changes over thousands of years.