Introduction to Dragon King Pool: Located on the right front outside the cave, the pool covers an area of more than 400 square meters and is surrounded by steep stone walls. The depth of the pool cannot be determined. The water level of the pond remains unchanged all year round, with rising tides occurring from time to time due to seasonal and climate changes. It is known as the "Yin Sea". The mist in the pond is hazy in the morning and evening, and you can vaguely see fish cruising and wild ducks playing in the water, making people feel like a dream. .