Hạ Long is a beautiful bay located in northeastern Vietnam, known for its emerald waters and thousands of limestone islands topped with rainforests. It is a UNESCO World Heritage Site, attracting millions of tourists each year who come to explore its stunning landscapes and unique rock formations. The bay is famous for activities such as cruising, kayaking, and visiting floating fishing villages. Popular attractions include Sung Sot Cave and Ti Top Island, where visitors can enjoy breathtaking views and experience the local culture. Hạ Long Bay is a significant natural wonder and an important part of Vietnamese heritage.