Photo shows the Hankou Hydrologic Stationin Wuhan, capital city of Hubei Province. Recently, China's Ministry of Water Resourcesreleased the first batch of 100-year hydrologic stations. Among them, Hankou Hydrologic Station with a history of 158 years ranked first. It has become the earliest hydrologic station with continuous hydrology records in China.(Photo: Chutian Metropolis Daily)