Thai Prime Minister Abhisit Vejjajiva (L) shakes hands with Cambodian Prime Minister Hun Sen during the handover ceremony of seven Cambodian artifacts which were stolen by smugglers, at the Ministry of Foreign Affairs in Phnom Penh. Abhisit is in Cambodia for a one-day official visit to discuss border issues. (REUTERS/Chor Sokunthea)

Cambodian Prime Minister Hun Sen, second right, and Thai Prime Minister Abhisit Vejjajiva, left, stand by a piece from Cambodian artifacts of the Angkorian era during a ceremony in Phnom Penh, Cambodia, Friday. Thailand Friday returned seven treasures from the 12th century Angkorian era -- Cambodia's Golden Age -- which had been illegally smuggled from the country years ago. (AP Photo/Heng Sinith)