Halong Bay was formed by millions of years of geological changes, which created thousands of islands. Hidden inside these are beautiful caverns, lies one of the most famous and beautiful bays in the world - Halong Bay. Recognized by UNESCO as a World Natural Heritage site for its biodiversity, geology and nature, Halong Bay’s beauty and charm make it an outstanding tourism destination. The landscape of Halong is attractive in each season, just waiting to be explored. Halong bay cruise tour please to help and explore the beauty of nature.