Curtain wall stone waterfall
The face of cliffs, knife and cut the general sharp flat, that the above waterline, vertical discharge, parallel into the equidistant arrangement, like a curtain hanging in the mountains in general, so this is the origin of the curtain wall.
But also on the curtain wall there is also a legend, according to legend, the Jade Emperor from the top of the temple, usually here, but as the Jade Emperor will not be easily found, because he hid behind the curtain, see The life of the mortal people, to experience the suffering of the people, and in this curtain behind the wall pointing to help people through the storm.