Nguyen Quoc Tuan, head of Vietnam Airlines in Hongkong said the flights will promote Da Nang as an attractive destination for people in Hong Kong and other international friends.Da Nang, surrounded by the UNESCO-recognized World Heritage sites in Hue, Hoi An, and My Son, will be linked to the famous financial centre of Hong Kong by these flights, he said.Vietnam Airlines currently operates flights from Hanoi and HCM City to Hong Kong.