A Nepalese activist holds a placard as he participates in an awareness campaign "Maskmandu" against the increasing air pollution in Kathmandu, Nepal, Feb. 11, 2018. (Xinhua/Sunil Sharma)
Awareness campaign against increasing air pollution launched in Kathmandu
Source: Xinhua| 2018-02-11 16:58:04|Editor: Zhou Xin
