MANILA, Philippines - Asiana Airlines, Korea’s most awarded airline, is extending assistance for the preservation of UNESCO World Heritage Sites. It recently became the first Korean company to sign a memorandum of understanding with UNESCO for this purpose. Following its preservation project with Angkor Wat in Cambodia and housing projects for the Aetas in the Philippines, the airline has set its sights on central Vietnam, unveiling a grand entrance guidepost at Hoi An Center for Cultural Heritage Management and Preservation in Da Nang, Vietnam. Photo shows Taeck-Soo Chun, secretary-general of the Korean National Commission of UNESCO, and Young-Doo Yoon, president and CEO of Asiana Airlines, posing at the Hoi An Center with flight attendants and guests.