The ceremony is attempting to tell the story of China's history
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The opening ceremony of the Beijing Olympics has begun with a spectacular display of dancing, music and fireworks at a packed national stadium.
Some 10,000 performers are taking part in the festivities, being watched on TV by an estimated one billion people.
The city's main airport has been closed for the ceremony, amid heightened security in the capital.
The build-up to the event has been dominated by worries over pollution and criticism of China's rights record. <!-- E SF -->
Earlier, President Hu Jintao said: "The historic moment we have awaited is arriving."
Bomb threat
The 2008 Olympics have been described as the most politicised Games since the boycott era of the early 1980s.