A mother holds her child as Mount Sinabung spews ash and hot lava during an eruption in Perteguhan village in Karo district, Indonesia's north Sumatra province, September 17, 2013. Mount Sinabung threw more volcanic ash into air, covering the surrounding areas on Tuesday, as authorities prepared more temporary shelters for evacuees. REUTERS/Roni Bintang (INDONESIA - Tags: DISASTER ENVIRONMENT TPX IMAGES OF THE DAY)