It closed factories in China

In an effort to improve air quality in China, has ordered the closure of 40 factories in a city near Beijing. All with a view to enhancing the Olympic Games.

This is an attempt by China to minimize air pollution in the capital during the Olympic Games.

Some athletes have expressed concern that air quality can affect performance and damage your health.

Beijing is one of the most polluted cities in the world and the authorities have made efforts to improve air quality before they begin the Olympics.