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Photo taken on July 11, 2019 shows the equipment for scientific research on the deck of polar icebreaker "Xuelong 2" in east China's Shanghai. China's first domestically built polar icebreaker "Xuelong 2," or "Snow Dragon 2," was delivered on Thursday in Shanghai, according to the Ministry of Natural Resources. On its maiden voyage later this year, the ship will sail for Antarctica together with "Xuelong," the only Chinese icebreaker in service, in the country's 36th research mission to the region. (Xinhua/Zhang Jiansong)