Blue skies return to Beijing but there are questions to be answered

Innovative ways to combat smog

1 School uses kung fu as smog self-defense

A smog-hit Chinese school has turned to the country's traditional kung fu for self-defense against polluted air, although the method's effectiveness is rather dubious. Guangming Road Primary School in North China's Hebei province has designed a set of kung fu moves which are supposed to mitigate the effects of smog on the human body.

The exterior look of the inflatable gym. [Photo/Chinanews.com]

2 School builds inflatable gym to protect students from smog

A Beijing school has built an inflatable gym on its playground, providing students an ideal place to play and exercise during smoggy days.

3 Beijing to build air corridors to blow away pollution

Beijing plans to channel wind through streets to blow away the dirty air. The six wind corridors proposed would allow air from the suburbs to blow through the urban center and, hopefully, remove the air pollutants.

Matt Hope and his homemade-in-China bicycle at his Caochangdi studio in Beijing. [Photo/China Daily]

4 Breathing bike

While other people armor up in masks to battle the smog, 37-year-old Beijing-based artist Matt Hope has a better solution - a homemade-in-China bicycle with a respirator attached, and when he puts it on and starts cycling, electric sparks fly from the back wheel. [Read more]

An anti-smog "cannon" appears on the street in Zhengzhou, Central China's Henan province on Jan 6, 2015. [Photo/CNS]

5 Anti-smog 'cannons'

The anti-smog "cannons" in Zhengzhou of Central China's Henan province can carry 10 tons of water, and spray mist for 75 minutes. According to its designer, the mist sprayed can break down pollution particles and dust in the air and effectively alleviate smog.

What can Beijing learn from foreign countries or cities about fighting smog?