chinesevideo

Smog is a big problem in many Chinese cities. But it seems that besides wearing a mask, few of us know what has caused the smog and what to do to beat it. Chai Jing, a former news anchor with China Central Television, discussed the questions in her documentary Under the Dome.

The 103-minute film was released on major Chinese video-sharing websites on Feb 28. In the film, Chai visits polluted places and talks to officials and scientists. She concludes that burning too much coal and oil are the main causes of PM2.5 and smog.

烟雾是许多中国城市的一个大问题。但是，除了戴口罩外，我们中很少有人知道是什么原因导致了烟雾，还有什么方法可以战胜它。柴荆，与中国中央电视台的前新闻主播，讨论她的纪录片的穹顶下的问题。

这部103分钟的影片于2月28日在中国主要视频分享网站发布。在电影中，柴访问污染的地方和官员和科学家会谈。她得出结论，燃烧过多的煤和石油是PM2.5和烟雾的主要原因。