Camel caravan advancing across Tenere Desert stretching from northeastern Niger into western Chad, occupying an area of over 400,000 square kilometers.
The Sahara of Africa is the world's largest desert with an area of about 10 million square kilometres, covering nearly a third of the continent. The southern edge of the Sahara suffers rapid desertification.
Underwater: manta rays, the most graceful swimmer in the Okinawa oceans
Drone shot: autumn at Onuma Quasi-National Park in Hokkaido
Amazing rocket launch moments in Japan
Festivals in Japan: Aomori Nebuta Festival
Underwater: northern sea lions flock to a tiny island