Wadi Hasa area, in Jordan. Tools found on the edges of these ancient river channels are evidence of water sources that have since dried out. Photo: Dr Mohammed Alqudah, Yarmouk University
Wadi Hasa area, in Jordan. Tools found on the edges of these ancient river channels are evidence of water sources that have since dried out. Photo: Dr Mohammed Alqudah, Yarmouk University

Jordan Rift Valley was gateway to Eurasia for early humans 84,000 years ago