Inordertoletstudentsrealizethetheseveresituationofwatershortage.Wespeciallycarryoutthisactivitiesnamed"savingwater,startfromme"tocallonstudentstosavewater.Theactivitiesconsistoftwoparts,picturesexhibitionandleavingmessageswithsignatureonthebanner.Thesignificanceofthisactivitiesistoletusrealizethedangerofwatershortageandtheimportanceofsavingwater.