Located in the central area of the World Heritage Site of Ha Long Bay, on the shore of the island Cave is so named because when we go to visit the cave found in caves in the area feel very small... but when a visitor clicks through a narrow gap in the rocks, the tourists who visit must oh ... to feel the beauty and the grotto expanded a lot.... beautiful... beautiful... beautiful, so impressive was the visitors who name the name of the Grotte de la surprise (shock caves). The Sung Sot Cave is a large and beautiful cave in Halong Bay superlative. Road to Sung Sot cave ran under the forest canopy, the steep stone steps transplants, tourists just get the pleasure of climbing, just as there is eagerness to go to heaven. Caves are divided into two main compartments, a full stop as a large theater immense. Cave ceiling was covered with a layer of "Corruption" silky, countless "chandelier" with glitter glowing stalactites, stone statues, stone elephants, seals, raspberries, flowers... all seem to be moving in an illusory world as real as a dream. Entering the second stop in a small way. A rushing stream in brilliant light, opens up an entirely new frame different port , preventing the vast can accommodate thousands of people, right next to the entrance is a stone horse and a long sword. Going into the scene many strange things, like stalactites , the tree lush foliage, fur seals, dinosaurs... Go to the highest point of the cave, suddenly a royal garden opened before eyes, clear water pool, charming landscapes, creatures like tree si, viva, the most ancient living birds…