Halong Bay is one of the most breathtaking natural landmark in Vietnam. Archipelago is made up of thousands of limestone karsts and isles in various sizes and shapes. The Bay’s water is clear during the spring and early summer. Some of the islands are quite large and there are small alcoves with sandy beaches where swimming is possible. Ha Long bay lies in the northeastern part of Vietnam and is 165 Km from Hanoi. It has an area of around 1,553 km2. The core of the bay has an area of 334 km2 with a high density of 775 islets. The limestone in this bay has gone through 500 million years of formation in different conditions and environments.
credit: ronan crowley