. "Tourism is an opportunity to sell local products.Cao Tri Dung, director of the Vietnam Travel Joint Stock Company, proposed a cluster of tours in the central coastal region similar to that of the heritage sites in the region.The tour could start from Da Nang-Quy Nhon and end in Nha Trang, Dung said.He said the Da Nang???Nha Trang flight route was already in operation.If it is possible, the fli" . . .