Algeria ’s Tassili N’Ajjer plateau is Africa’s largest national park . Among its vast sandstone formations is perhaps the world’s largest art museum . Over 15,000 etchings and paintings are exhibited there, some as much as 11,000 years old according to scientific dating techniques, representing a unique ethnological and climatological record of the region. Curiously, however, these images do not depict the arid, barren landscape that is present in the Tassili N'Ajjer today.
Instead, they portray a vibrant savannah inhabited by elephants, giraffes, rhinos and hippos. This rock art is an important record of the past environmental conditions that prevailed in the Sahara, the world’s largest hot desert. These images depict a period approximately 6,000-11,000 years ago called the Green Sahara or North African Humid Period. There is widespread climatological evidence that during this period the Sahara supported wooded savannah ecosystems and numerous rivers and lakes in what are now Libya, Niger, Chad and Mali. This greening of the Sahara didn’t happen onc
Source: Entertainment Trends (entertainmenttrends.net)
Algeria Tassili N'ajjer National Park Art Museum Rock Art Sahara Green Sahara North African Humid Period Environmental Conditions
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