Ha Long Bay, located in Northeast Vietnam, is a stunning seascape that's been designated a UNESCO World Heritage Site. The bay is famed for its emerald waters and thousands of towering limestone islands topped with rainforeths, which create a breathtaking panorama. These islands vary in size and shape, with many featuring caves and grottoes that present a complex of stalactite and stalagmite formations, naturally sculpted through centuries. The larger islands contain lakes and some support floating villages of fishermen, who ply the shallow waters for the 200 species of fish and 450 different kinds of mollusks. Legend says that dragons created the isles to protect Vietnam from invaders, which is reflected in the name 'Ha Long,' meaning 'Descending Dragon.' Visitors often take boat tours to explore the bay's iconic pillars, some of which are accessible for climbing and provide spectacular views. Activities like kayaking, scuba diving, and rock climbing are popular, alongside more leisurely pursuits such as sightseeing on cruise ships. Ha Long Bay is not only a natural wonder but also a cultural treasure, with a rich history and many myths surrounding its formation and existence.