Both clay and sandstone are unstable rock formations.黏土和砂岩都是不牢固的岩石构造。Clouds are formations of condensed water vapour.云是由凝聚的水蒸气构成的.Enormous cloud formations formed a purple mass.巨大的云层形成紫色云团。...
Explanation: The strange formations in the foreground of this skyscape are called hoodoos.说明: 在这张天空影像前景中形状奇怪的岩层被称为石林.The Neoporoterozoic Altungol and Huangyanggou formations in Tarim plate: Recognized newly glaciation an...