Hong Kong, Feb. 15 -- Vietnam, the Republic of Korea (RoK), Japan and mainland China are emerging as the most favoured destinations for Hong Kong (China) residents during this ongoing Lunar New Year holiday. In Southeast Asia, Vietnam, particularly the coastal localities of Da Nang, Nha Trang and Phu Quoc, stands out as the most popular choice. Moon Yau Moon-yee, assistant general manager at Sunflower Travel Services and vice-chairman of the Tourism Industry Employees' General Union, said the demand for eight- to nine-day tours over the holiday had risen significantly. Bookings to Yunnan province in mainland China have tripled compared to last year. Moon noted that while Turkey, Morocco and Egypt have drawn interest from Hong Kong travell...