Thank you for the interesting information about the prehistoric times in the Sahara. 
 Was there agriculture and livestock herding during prehistoric times in the Sahara? 
 Yes, an estimated five thousand years ago. 
 Times have sure changed since the 10th century. Can you tell me more about the Sahara in Niger? 
 Hello, do you know an interesting fact about the history of Niger?
Yes, an estimated five thousand years ago.