Final answer:
Tassili n' Ajjer is the most famous site of African rock art, with over 15,000 rock paintings and engravings. It has close to 4,500 rock art sites.
Step-by-step explanation:
Tassili n' Ajjer is the most famous site of African rock art. It is located close to 4,500 rock art sites. These sites have over 15,000 rock paintings and engravings, making it a significant archaeological and historical site.
Learn more about African Rock Art