sentences:  The landforms look very much like karst topography that forms in areas underlain by limestones, but since the rocks that form danxia are sandstones and conglomerates, they have been called "pseudo-karst" landforms.They were formed by endogenous forces (including uplift) and exogenous forces (including weathering and erosion).The province and its diaspora abroad also has a tradition of educational achievement and has produced many important scholars, statesmen and other notable people since the time of the Song dynasty, such as