Trekkers cross a dried up river bed in the Anti Atlas mountains of Morocco, North Africa, Africa

morocco africa north africa berber arabic mountain anti atlas countryside desert drought dry water water supply water shortage food food security climate change global warming rainfall soil field food crop self sufficiency agriculture dessicated dried up rural sand gravel river river bed walkers walking trekkers trekking group day outdoors people groups tourists tourism walker hiker hikers hiking trekker arid landscapes color image photography travel destination horizontal rear view back view