THE new land border crossing with Laos is boosting tourism, with the Stung Treng Tourism Department reporting on Wednesday that 1,000 Laotians visited since the agreement was signed this month. Ao Sary, director of Stung Treng Tourism Department, told the Post that the dolphin sanctuaries were a major attraction for Laotian visitors. Other popular sites were the beaches at Sihanoukville and Angkor Wat in Siem Reap.