Today'ssocietyisahighlydevelopedtechnologicalsociety.H...

Beforethecomingof2012,thedroughtofchinaiscoming,inthesouth...

Savingwaterisveryimportantforus.Therewillbefewerfreshwater...

Atthebeginningof2010,thesouthwestofchinasufferfromlackingo...