Beijing: traffic jam on World Car Free Day
The eastern second ring road, a main road of Beijing, is crammed with cars in Beijing, capital of China, on Sept. 22, 2014, the World Car Free Day. Beijing's 21 million residents have been urged to use public transport and shun peak hours in September as the Chinese capital braces for the gridlock that comes with the beginning of the school year. (Xinhua/Li Wen)