Ha Long Bay is in Quang Ninh province.It has many islands and caves.The islands are named after things around us.In the bay you can find Rooster and Hen Island (Trong Mai Island) and even Man's Head Island (Dau Nguoi Island). You must take a boat ride around the island essential! Tuan Chau is the biggest island in Ha Long Bay.There you can enjoy great Vietnam seafood.You can join exciting activities.Ha Long Bay is Vietnam's most beautiful natural wonder. 1.Where is Ha Long Bay? 2.Does it have many islands and caves? 3.Is Tuan Chau the biggest island in Ha Long Bay? 4.What can you find in the bay? 5.What can you enjoy there?