China's manned submersible Jiaolong is prepared to dive in the Yap Trench in the west Pacific, June 13, 2017. World Oceans Day, a UN-designated day held annually on June 8, aims to arouse people's consciousness to preserve oceans on Earth. (Xinhua/Liu Shiping)
Weekly choices of Xinhua photo
Source: Xinhua| 2018-06-10 16:41:52|Editor: Li Xia
