Photo taken on June 14, 2017 shows Ocean Farm 1, an offshore ocean farming facility, being towed by a tugboat in Qingdao, East China's Shandong province. China Shipping Industry Corp, one of China's major shipbuilders, delivered an intelligent offshore ocean farming facility to Norway in Qingdao on Wednesday. China is delivering a batch of such facilities to Norway, designed to enhance the efficiency and effectiveness of the country's aquaculture industry. [Photo/Xinhua]