As the oasis dries out, cottonwoods struggle to survive, and palm trees are popping up, part of the canyon’s slow transition into a Colorado Desert-type habitat.

Tafilalt is one of Morocco's largest oases and is situated near Erfoud in southeastern Morocco. Famous for its date palms and ...

At first sight, this picture seems to depict a stunning desert oasis, with green vegetation encircling a serene lake. But in the background of the scenery, there is a devious challenge—only ...