Worker Luo Shaocheng poses for photo at a construction site of a metro line in China (Guangdong) Pilot Free Trade Zone Qianhai & Shekou Area in Shenzhen, south China's Guangdong Province, July 16, 2015. Despite the heat in Shenzhen, more than 1000 workers of Shanghai Civil Engineering Co Ltd of CREC continued the construction work of the pilot free trade zone. (Xinhua/Liu Dawei)
