China's smog advice: smile and drink tea
With pollution at an all time high, this week China declared Beijing's first ever "red alert" for smog.
Schools have closed down, and two million cars have been kept off the roads.
And along with the tough anti-pollution measures, it turns out China also has some friendly practical advice for Beijing locals.
The state broadcaster has been tweeting out cartoons, with captions suggestion some good ways to beat the smog.
Here's their advice: