A man transports a family of passengers on his electronic tricycle cart in Beijing June 6, 2013. In China, the world's biggest auto market, bicycle and tricycle which powered by electricity are one of main transportations for low income groups. Picture taken on June 6, 2013. China has pledged to double household incomes over the coming decade in a bid to close a wealth gap so wide it threatens social stability. Although the proportion of extreme poverty has fallen over recent decades, about 12 percent of the country's 1.3 billion people still live on less than $1.25 per day, according to a 2013 United Nations report. Picture taken June 6, 2013. REUTERS/Kim Kyung-Hoon (CHINA - Tags: BUSINESS SOCIETY WEALTH TRANSPORT)