大家在查：刘家峡水电站黄河防凌洛阳黄河公路大桥中国文明五千年巴峡潼关高程水电基地那曲赛马节西藏民主改革

寺沟峡

Analysis on the Effect of Breakage of the Section Longyang Gorge -Sigou Gorge in Yellow River on the Extraordinary Land-slide