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The repairer Yoann Andrieux is seen on his way to maintain an Ofo bike in Paris, France, on Dec. 20, 2017. Two weeks after its launch here, one of China's popular bike sharing schemes, Ofo, is aiming for leadership in the rapidly growing market as the city strives to promote green transport to cut emissions. The company's signature bright yellow bikes can be found at both iconic landmarks and tranquil street corners around the city, and are quickly gaining popularity among locals and tourists alike. (Xinhua/Chen Yichen)
