A starting ceremony of construction of the Chinese section of the China-Russia East Route natural gas pipeline is held in Heihe, northeast China's Heilongjiang Province, June 29, 2015. The 3,968-kilometer China-Russia East Route natural gas pipeline, which extends from gas fields in Russia's Far East to east China's Shanghai, started construction on Monday. It is designed to transport 38 billion cubic meters of natural gas from Russia to China every year. (Xinhua/Song Fulai)
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