There I was, staring up at a quarter-mile-high fold of sand that looked like it was the backdrop of a science fiction novel. It looked like CGI but it was real, and so far out in the desert that even ...

MAKUENI, Kenya (AP) — On a dry riverbed one recent sunny morning, residents of Kasengela village toiled away mixing cement and sand to make concrete. The sound of their shovels resonated through the ...