The document describes several locations in Vietnam. It discusses Ha Long Bay, a UNESCO World Heritage site known for its limestone karsts and islands. It also mentions Hang Đầu Gỗ Cave, the largest grotto in Ha Long Bay. Additionally, it provides details about Hoan Kiem Lake and Ngoc Son Temple in Hanoi, as well as the city's Old Quarter, known as the 36 Streets.

1. Town on Halong Bay

2. Ha Long Bay ( Vietnamese : Vịnh Hạ Long ) is a UNESCO World Heritage site located in Quảng Ninh province , Vietnam . The bay features thousands of limestone karsts and isles in various sizes and shapes.

6. The bay consists of a dense cluster of 1,969 limestone monolithic islands, each topped with thick jungle vegetation, which rise spectacularly from the ocean. Several of the islands are hollow, with enormous caves. Hang Đầu Gỗ (Wooden stakes Cave) is the largest grotto in the Halong area. 天宫洞是下龙湾不可错过的美景之一。

7. Grotto At Halong Bay

8. Halong Bay, Thien Gung (Heavenly Palace) Cave 越南 - 下龙湾 , 天宫洞 越南下龙湾天宫洞前的小码头

10. Hoan Kiem Lake and Ngoc Son Temple Hoan Kiem Lake, or the Lake of the Restored Sword, is located in the heart of Hanoi The lake takes its name from a legend involving the Emperor Le Loi who celebrated his defeat of the Chinese by a nautical gala. He appeared at the helm of his ship, holding the magic sword which had given him the victory when a giant tortoise grabbed the sword. Since the sword had done its duty--freeing the Vietnamese from the Chinese, the Emperor named the lake after this event.

11. Hoan Kiem Lake

13. Pagoda by Hoan Kiem Lake

14. Ngoc Son Temple

16. Ngoc Son Temple Bridge across to Ngoc Son temple Entrance to Ngoc Son Temple

17. Hanoi's Old Quarter: The 36 Streets The Old Quarter started as a snake and alligator-infested swamp. It later evolved into a cluster of villages made up of houses on stilts, and was unified by Chinese administrators who built ramparts around their headquarters.

21. Thang Long Water Puppet Theatre. The famed water puppetry originated from Northern Vietnam. This is an ancient art form that started with rice farmers who adapted conventional puppetry to the flooded Padi fields during the monsoon season .