This photo taken on March 20, 2025 shows the Luogu River hydrological station in Mohe, northeast China's Heilongjiang Province.
Established in 1987 and located in Mohe, the Luogu River hydrological station is China's northernmost hydrological station.
The Ergun River from China's Inner Mongolia Autonomous Region and the Shilka River from Russia merge here into the Heilongjiang River, the boundary river between China and Russia. The staff members here brave the coldness to collect hydrological data, ensuring the water safety of the river. (Xinhua/Zhang Tao)
Staff members of the Luogu River hydrological station refuel the equipment in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
Staff members of the Luogu River hydrological station head for a monitoring operation zone in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
A staff member of the Luogu River hydrological station heads for a monitoring operation zone with devices in Mohe, northeast China's Heilongjiang Province, March 20, 2025. (Xinhua/Zhang Tao)
Staff members of the Luogu River hydrological station conduct a monitoring operation in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
A staff member of the Luogu River hydrological station enters a monitoring operation zone in Mohe, northeast China's Heilongjiang Province, March 20, 2025. (Xinhua/Zhang Tao)
The water sample is collected at a monitoring operation zone of the Luogu River hydrological station in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
Staff members of the Luogu River hydrological station pose for a photo in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
A staff member of the Luogu River hydrological station prepares for a monitoring operation in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
A staff member of the Luogu River hydrological station observes water level at a monitoring operation zone in Mohe, northeast China's Heilongjiang Province, March 20, 2025. (Xinhua/Zhang Tao)
This aerial drone photo taken on March 20, 2025 shows a staff member of the Luogu River hydrological station heading for the monitoring operation zone in Mohe, northeast China's Heilongjiang Province. (Xinhua/Zhang Tao)
This aerial drone photo taken on March 21, 2025 shows the Luogu River hydrological station in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
Staff members of the Luogu River hydrological station head for a monitoring operation zone in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
A staff member debugs a device at the Luogu River hydrological station in Mohe, northeast China's Heilongjiang Province, March 21, 2025. (Xinhua/Zhang Tao)
