Law enforcement members (1st and 2nd R) from the maritime safety administrations of Tianjin distribute brochures about the Maritime Day of China to citizens in north China's Tianjin, July 11, 2019. The Maritime Day of China falls on July 11 every year. [Photo/Xinhua]

A woman (L) takes part in a rescue drill organized by the maritime safety administrations of Tianjin to mark the Maritime Day of China at Dabei Buddhist Temple Port in north China's Tianjin, July 11, 2019. The Maritime Day of China falls on July 11 every year. [Photo/Xinhua]

Members of Blue Sky Rescue take part in a rescue drill to mark the Maritime Day of China on the Haihe River in north China's Tianjin, July 11, 2019. The Maritime Day of China falls on July 11 every year. [Photo/Xinhua]