This video explains the heavy rainfall of zhouqu and the debris flow disaster in
the surrounding area.At the same time,it summarizes and analyzes the early warning
measures.It emphasizes the importance of disaster warning.
1.We should set up a drainage channel at the gully of the prone mudslide.
2.We should set up water level and mud level monitoring points in the upstream area.
When the water level and the mud level are above the warning line, we will report up.