Special report: Celebrating 60th Anniversary of Founding of PRC

Workers work in the construction site of a subway line in east China's Shanghai on Oct. 7, 2009. Over 100,000 workers kept working during the National Day holidays to ensure the normal progress of the construction of the city's subway line 11.

Workers work in the construction site of a subway line in east China's Shanghai on Oct. 7, 2009. Over 100,000 workers kept working during the National Day holidays to ensure the normal progress of the construction of the city's subway line 11.

Workers work in the construction site of a subway line in east China's Shanghai on Oct. 7, 2009. Over 100,000 workers kept working during the National Day holidays to ensure the normal progress of the construction of the city's subway line 11.

Workers work in the construction site of a subway line in east China's Shanghai on Oct. 7, 2009. Over 100,000 workers kept working during the National Day holidays to ensure the normal progress of the construction of the city's subway line 11.

Special report: Celebrating 60th Anniversary of Founding of PRC