The tourists emergency hot line system can be connect to the Police 110 alarm call, Area network alarm, wired, wireless, Optical fiber communication, etc. Each Emergency hot line terminal will be installed in site to make the scenic spot into a alarm nets, so that the control center is able to deal with it timely while there is emergency.
The distribution for drinking water sources and reservoirs are very wide in urban area, each city and each towns also have differences. It’s really a headache for managing so large reservoir area. Many people go to fish, swim and grow vegetables around the reservoirs, even some people pour in industry rubblish and waste material, which pollute the water source badly.