An emergency drill for vessels loaded with dangerous cargos is held in Haikou, capital of South China's Hainan Province, on June 18, 2019. The exercise simulated the fires caused by the leaking of a diesel-loaded vehicle and two methanol-loaded vehicles colliding. (Xinhua/Guo Cheng)

　　An emergency drill for vessels loaded with dangerous cargos is held in Haikou, capital of South China's Hainan Province, on June 18, 2019. The exercise simulated the fires caused by the leaking of a diesel-loaded vehicle and two methanol-loaded vehicles colliding. (Xinhua/Guo Cheng)

　　An emergency drill for vessels loaded with dangerous cargos is held in Haikou, capital of South China's Hainan Province, on June 18, 2019. The exercise simulated the fires caused by the leaking of a diesel-loaded vehicle and two methanol-loaded vehicles colliding. (Xinhua/Guo Cheng)