The famous foreclosure of the lake on the Duihaitang River. The car passed through a cave, and suddenly there was a clear lake in front of it. The lake and mountains were beautiful. The driver parked, the tour guide arranged to have lunch here, and the tourists also took pictures. At that time, the tour guide introduced that this sea was formed by a large earthquake decades ago, but only the beautiful scenery left for tourists, no impression of the earthquake. Diehai Villa is located in this village on the shore of the lake, this is the largest of the dozen or so Diexi earthquake in Maoxian County on August 25, 1933, the largest of the ten or so lakes, which is 30 Huali and about four Huali wide, known as Shanghai Zi. More than a month after the earthquake, the upper reaches of the Lijiang River rainy, the river surged, and the Diexi Haizi Waterfall broke. According to the statistics at that time, the death toll was more than 2,500. Diexi Village had only one 8-year-old child who had risen early to go up the mountain to herd sheep, escaped the disaster, and all the rest of the village were killed. The 8-year-old later passed the Songpanping earthquake in 1976 and the Wenchuan earthquake in 2008, and is now 89 years old, the only old man who has experienced three major earthquakes.