Originally Posted by xinyonghu

Unfortunately,there is almost no clean cities.
however.Tibet is a natural place.maybe It is better.and my present living city has been assessed to Best City for Human Residence by the United Nations a few years ago , and is one of the best cities in the world for inhabitation.. Consuming level is very low, you to can not spend how much !
white in fact, air quality was so bad too this years.PM2.5 is incorrect by the government statistics