Halong bay is an area of outstanding beauty in the Quang Ninh Province of northeastern Vietnam, about 100 miles from Hanoi. A UNESCO World Heritage Site has also been included in the list of “The Seven Wonders of Nature ''. Its name means descending dragon bay, and legend has it that as Vietnam had just started developing as a country, they had to fight off invaders. The gods sent a family of dragons to assist. The dragons spit out gemstones and jade which turned into the thousands of islands or karsts that are numerous in the bay. After the victory over the invaders, who were obstructed by the wall of islands, the dragon left the land and entered the sea, carving gaps between many of the rocks.

Ha Long Bay is a world natural heritage and is one of the 7 natural wonders of the world, marking historical, cultural and important ancient relics with beautiful landscapes. Ha Long Bay is a system of thousands of rocky islands with various shapes, mysterious and interesting cave systems and rich flora and fauna ecosystems creating a large natural population with a beauty like Like a charming painting that captivates people's hearts.