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Introduce the Ancient Castle of Sigiriya in Sri Lanka

The ancient castle of Sigiriya is located in Sri Lanka and was only discovered by an Englishman in the 19th century. This ancient castle is built on a huge rock, which is 180 meters above the ground and looks very strange. The rock is surrounded by vegetation, and it is difficult for people to see what is on it.
There is 1.2 hectares of flat land on the top of the rock, on which is the castle. What everyone did not expect is that the castle has everything in it, not only halls, rooms, ponds, but also a garden full of flowers. If you want to climb to the top of the rock, you have to walk through corridors and stairs on the steep cliff.
In short, people can’t help but sigh when they see it, the great wisdom of the ancient people is really admirable.
