It is one of the four holy places of Islam. There are twists and turns in the streets and shops, there are more than 80 mosques, more than 100 mausoleums, dozens of reservoirs and dome indoor market. Due to the lack of water in Kailuan, the locals built 15 reservoirs in 862 AD. There are two large and one small pools known as the Agrabite Pool for visitors to visit. The water aqueduct is drawn from a distance, first enters the small pool to settle, and then enters the large pool for use.
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