U.K. travel magazine Wanderlust has named Ha Long Bay, Hoi An ancient town and Phong Nha-Ke Bang National Park in a list of 16 must-visit wonders in Southeast Asia.
Source: VNExpress International,
https://e.vnexpress.net/news/places/ha-long-bay-hoi-an-phong-nha-ke-bang-southeast-asias-heritage-wonders-4627347.html