On November 12, the day of the half-anniversary memorial of the Wenchuan earthquake, the first earthquake site protection memorial - Donghekou Earthquake Site Park in Qingchuan County, Guangyuan City will officially open. The collapse sites formed by the explosion of four major earth stresses in Donghekou Village of Hongguang Township, Qinglong Village of Shiba Township, Woqian Village of Ma Gong Township and Sanfeng Village of Suhe Township show a variety of geological destruction forms caused by the earthquake such as collapse, ground crack,隆uplift, fault, fold, etc. This earthquake site park is the most abundant and largest volume of geological damage forms, the largest number of most concentrated earthquake dams, and the most serious casualties in the earthquake site cluster. The park is laid out in a "Y" shape, covering nearly 50 square kilometers in a concentrated and continuous area.