Chinese naval hospital ship Ark Peace sails into Port Moresby, Papua New Guinea, on July 11, 2018. Chinese naval hospital ship Ark Peace arrived in Papua New Guinea's capital Port Moresby on Wednesday, marking the start of its eight-day humanitarian mission in the Oceanian nation. (Xinhua/Jiang Shan)
People perform traditional dance to welcome Chinese naval hospital ship Ark Peace in Port Moresby, Papua New Guinea, on July 11, 2018. Chinese naval hospital ship Ark Peace arrived in Papua New Guinea's capital Port Moresby on Wednesday, marking the start of its eight-day humanitarian mission in the Oceanian nation. (Xinhua/Jiang Shan)