What it is: A series of rock paintings depicting a group of people swimming ... the Sahara Desert was not the dry, sandy landscape we know it as today — it was a lush, green oasis.

With this amount of sand coverage, there’s still plenty of opportunity for the formation of vast dune seas, known as ergs.

Rare storms temporarily create lakes in the Sahara desert, revealing surprising moisture pathways and climate connections.

In this lonely valley called Tazerzaït, where the Aïr Massif meets the great sand seas of the Sahara ... them to navigate to the Bilma oasis in the eastern desert, where they would trade ...

“It’s a city surrounded by an ocean of sand that’s advancing every minute,” El Wely, the president of the local Association for Participatory Oasis ... deep in the Sahara Desert.

In desert communities frequented by tourists ... in August and September have given a different face to the Moroccan Sahara, better known for its frequent droughts. Houssine Youabeb is the ...