Image of Asia: The blur of the crowd in Tokyo
In this photo by Koji Sasahara, people walk across the scramble crossing outside Shibuya Station in Tokyo on Friday afternoon. The Shibuya district is popular with young people and tourists and is known for entertainment and nightlife as well as high-tech ventures.
Mystery of Death Valley's moving rocks solved
DEATH VALLEY NATIONAL PARK, Calif. (AP) — For years scientists have theorized about how large rocks — some weighing hundreds of pounds — zigzag across Racetrack Playa in Death Valley National Park, leaving long trails etched in the earth.