According to scientists in the group of terrestrial plants, Halong Bay has 435 species, 285 branches, 100 families in 5 types. Of which 7 are Halong bay endemic plant species. Of the most numerous is Phat Du family....
Nature has creatively shaped two pieces of stone, one high and one lower, which are linked together to form an imposing rock, looking like a saddle.
In the Ngoc Vung - Quan Lan islands itinerary, one will visit Cong Tay Island, which lies at the Bai Tu Long Bay, 40 km away from the Bai Chay Tourist Wharf. From Cam Pha, express boats will take you 30 minutes or 90 minutes by common boats to reach Cong Tay Island.
Xep Islet or Layer Islet is a huge, multi-layered, square piece of stone which looks like an Egyptian pyramid built in the middle of the Bai Tu Long Bay, Cam Pha District.
Trong Mai is situated on the south-west side of Ha Long Bay, 5 km from the tourist wharf near to Dinh Huong Islet.
In the waters of Bai Tu Long Bay, a stone islet is bobbing like an alluring and graceful swan (Thien Nga) - a swan losing its herd