Introduction to Water Curtain Cave: Under the three forks, at the top of the steep north bank, long-term water has washed out a slender stone ditch, which is more than 30 meters long and about 15 meters wide. The water channel is almost perpendicular to the ground, and the cliff A 3-meter-square stone cave is recessed in the lower part. During the rainy season, water flows down the mountain like a gush, and a silvery water curtain hangs over the cave, forming Menhe's unique "Water Curtain Cave".