Guardian: As air pollution levels soared once again in Beijing and other parts of northern China last week to lung-choking levels, some residents vented their frustration through humour.
On social media outlets some Beijing residents made jokes about the lack of visibility as a thick layer of smog blanketed the city. I think I am blind once I pull back the curtain, joked a user on the Weibo microblogging website.
Another said it was like flying an airplane instead of his electric scooter because I...