People mark the three-year anniversary of the Indian Ocean tsunami at a memorial in Khao, in Thailand's Phang Nga province, about 110 km (68 miles) north of the resort island of Phuket, December 26, 2007. The Indian Ocean tsunami on December 26, 2004 killed almost 6,000 people and left nearly 3,000 missing in Thailand. REUTERS/Chaiwat Subprasom (THAILAND)