Here are some photos of air pollution in Beijing, China.
This is how the city of Beijing looks like everyday. Would you like to breathe this type of air everyday?
The people of Beijing have to wear a mask that covers their mouth because the air isn't good to breathe.
More people of Beijing who are wearing masks that cover their mouth and nose because it is difficult to breathe because of the air pollution in the city.
Morning traffic in Beijing. You can't see any landscape because there's too much air pollution! Looks like the cars are driving in a cloud than on a highway.
Here are two photos of Madrid's air pollution:
Madrid's city skyline. You can't see the buildings clearly because of air pollution.
Another photo of Madrid's city skyline with air pollution.
Which city is more dangerous to live in because of so much air pollution? Beijing or Madrid?
