Firefighters march in a line crossing the street on Tiananmen Square, next to the Great Hall of the People, the venue of the 18th National Congress of the Communist Party of China, in Beijing, November 14, 2012. REUTERS/David Gray (CHINA - Tags: POLITICS SOCIETY TPX IMAGES OF THE DAY) 

Shadows of trees are cast onto a wall of the Forbidden City as a man walks past on a cold, sunny day in Beijing November 13, 2012. REUTERS/David Gray (CHINA - Tags: ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY) 

A security guard walks past eviction notices stuck to the exterior wall of a house before it is demolished along a Hutong, Chinese for "small alley", in central Beijing November 2, 2012. Average home prices in China's 100 biggest cities edged up for a fifth straight month in October, a private survey showed, adding to evidence of a mild recovery in the property market and frustrating government efforts to temper steep prices. The notice (2nd R) reads: "The sooner you sign the contract, the sooner you get a peace of mind". REUTERS/David Gray (CHINA - Tags: REAL ESTATE BUSINESS SOCIETY POLITICS) 

A local resident stands outside the entrance to a small residential building in a Hutong, Chinese for 'small alley', in central Beijing November 2, 2012. Average home prices in China's 100 biggest cities edged up for a fifth straight month in October, a private survey showed, adding to evidence of a mild recovery in the property market and frustrating government efforts to temper steep prices. REUTERS/David Gray (CHINA - Tags: REAL ESTATE BUSINESS SOCIETY POLITICS) 

A woman wearing bright, colourful clothes talks on her mobile phone while standing on a street during sunset in central Beijing October 30, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY) 

A handyman advertises his skills for fixing fly screens and kitchen exhaust fans, and cleaning windows, on the back of his motorcycle as he rides along a road in central Beijing October 26, 2012. REUTERS/David Gray (CHINA - Tags: BUSINESS EMPLOYMENT SOCIETY TPX IMAGES OF THE DAY) 

A cleaner removing leaves from a path looks at a man carrying a shark-shaped balloon at a park on an autumn day in central Beijing October 19, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY ENVIRONMENT) 

A woman in red walks past two red doors along a Hutong, Chinese for 'small alley', in central Beijing October 12, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY) 

Train passengers walk past homeless men sleeping on their make-shift beds at the central railway station in the Chinese city of Zhengzhou, Henan province October 28, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY POVERTY TPX IMAGES OF THE DAY TRANSPORT) 

A shop assistant sleeps with his head in his lap next to wooden-framed glass containers at a market in central Beijing October 21, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY BUSINESS EMPLOYMENT) 

A cleaner sleeps while sitting on a chair at the Beijing West railway station October 28, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY) 

A man paints a wall surrounding a village on the outskirts of Beijing September 25, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY BUSINESS EMPLOYMENT TPX IMAGES OF THE DAY) 

A man stretches as he sits on a bench at Ritan Park located in central Beijing September 21, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY ENVIRONMENT) 

Bystanders watch a woman as she steps out of a human-shaped cavity in a wall at an art district in Beijing September 4, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY) 

A woman holds up a fan amongst a group of women as they perform morning exercises in central Beijing May 22, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY) 

A construction worker sits in the doorway of his temporary housing on a building site in central Beijing June 25, 2012. China's annual growth target for 2012 looks increasingly in jeopardy as demand at home falters and Europe's debt crisis worsens, complicating matters for Beijing as the country heads into a once-in-a-decade leadership transition. The slowdown in the world's second-largest economy could be more entrenched than expected as Beijing's property tightening measures dilute the impact of any fresh policy stimulus, diminishing China's ability to offset faltering demand in Europe and the United States. To match Analysis CHINA-ECONOMY/GROWTH/ REUTERS/David Gray (CHINA - Tags: BUSINESS EMPLOYMENT REAL ESTATE POLITICS) 

A worker prepares to rake leaves on an autumn day in a central Beijing park November 1, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY ENVIRONMENT)