Ha Long Bay - A sublime harmony of rock and water Ha Long Bay, a UNESCO World Natural Heritage site, is a breathtaking natural masterpiece where majestic limestone formations meet emerald waters in a seamless symphony of rock and water. With each season and time of day, the bay unveils a new layer of its enchanting beauty. More than just a symbol of Vietnamese tourism, Ha Long Bay stands as an ideal destination for those yearning to immerse themselves in the untouched, mystical charm of nature. 23:08 | 25/07/2025