Children put mask on a sculpture to ‘protect’ it from smog during an environmental awareness campaign at their school in Guangping county, North China’s Hebei province on Friday, October 10, 2014. Widespread smog has affected a large swath of north China as well as northwest China's Shaanxi province since Wednesday, with air conditions in northern Chinese cities including Beijing and Tianjin severely downgraded. [Photo: China News Service/ Cheng Xuehu] |
Day|Week|Month