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Photo taken on Dec.6, 2017 shows the final of an innovation and entrepreneurship competition in Yubei District of southwest China's Chongqing Municipality. In total ten projects entered final of this competition. (Xinhua/Han Ye)

Photo taken on Dec.6, 2017 shows the final of an innovation and entrepreneurship competition in Yubei District of southwest China's Chongqing Municipality. In total ten projects entered final of this competition. (Xinhua/Han Ye)