Ha Long Bay is one of the most famous natural wonders in the world. It is located in Quang Ninh Province, in the northeastern part of Vietnam. The bay is well-known for its thousands of magnificent limestone islands and islets that rise dramatically from the emerald green water, creating a breathtaking and unique seascape. Many tourists flock here to take scenic boat trips and explore the numerous mysterious caves and grottoes, or go kayaking and swimming. To protect this valuable heritage site, it is crucial to implement strict measures to control pollution from tourism and local activities, and to educate visitors about environmental protection. By doing so, we can preserve its stunning beauty for future generations to enjoy.