A man rides a motorcycle in the district of Tanah Karo outside the city of Medan, North Sumatra, as the Mount Sinabung volcano spews smoke in the background, Aug 29, 2010. The volcano erupted on the Indonesia island of Sumatra on Sunday for the first time in four centuries, sending smoke 1,500 metres (about 5,000 feet) into the air and prompting the evacuation of thousands of residents, officials said. [Agencies]

Villagers wearing face masks, who were evacuated from the area around the erupting Mount Sinabung volcano, wait at a shelter in Brastagi outside the city of Medan, North Sumatra, Aug 29, 2010. [Agencies]