Exhibition shows progress in deep-sea exploration(1/4)

An exhibition of samples collected by China’s deep-sea exploration missions and supporting information is held at the China Ocean Sample Repository in Qingdao City, Shandong Province, May 30, 2019. Organized by the Ministry of Natural Resources, the exhibition includes models of the research vessel Dayang Yihao, or Ocean No. 1, and the submersible Jiaolong. (Photo/Xinhua)

An exhibition of samples collected by China’s deep-sea exploration missions and supporting information is held at the China Ocean Sample Repository in Qingdao City, Shandong Province, May 30, 2019. Organized by the Ministry of Natural Resources, the exhibition includes models of the research vessel Dayang Yihao, or Ocean No. 1, and the submersible Jiaolong. (Photo/Xinhua)

An exhibition of samples collected by China’s deep-sea exploration missions and supporting information is held at the China Ocean Sample Repository in Qingdao City, Shandong Province, May 30, 2019. Organized by the Ministry of Natural Resources, the exhibition includes models of the research vessel Dayang Yihao, or Ocean No. 1, and the submersible Jiaolong. (Photo/Xinhua)

An exhibition of samples collected by China’s deep-sea exploration missions and supporting information is held at the China Ocean Sample Repository in Qingdao City, Shandong Province, May 30, 2019. Organized by the Ministry of Natural Resources, the exhibition includes models of the research vessel Dayang Yihao, or Ocean No. 1, and the submersible Jiaolong. (Photo/Xinhua)