Satellite image released by NASA shows thick grey smog spreading 750 miles from Beijing to Shanghai
Pollution has reached more than 20 times World Health Organisation guidelines as heavy industry grows
Authorities have ordered planes to fly in just 400-metre visibility and have ordered new buses to cut out smog
Hazards have reduced slightly in Beijing and Shanghai but remain at crisis point in smaller cities like Suzhou
China's deadly pollution has joined its Great Wall and achieved the dubious honour of being seen from space.
Fluffy white clouds over the world's fastest-growing economy are surrounded by a thick, grey pall of smog in a satellite photograph which lays bare the perilous state of the country's skies.
Released by NASA, the image, taken on a day pollution reached highly dangerous levels earlier this week, shows a dense band swirling 750 miles from Shanghai to Beijing and billowing out across the East China Sea.
Spoiler for foto NASA dr luar angkasa, This satellite image shows smog stretching 750 miles from Beijing (top centre) to Shanghai (bottom right). Clouds are white and smog appears as grey swirls. When this photo was taken on December 7:
