Flooded settlements, forests, roads in the Amur Region (shooting from an airplane). Destroyed and flooded bridges, piers, railway sections, highways. Residents of the flooded village transport things and pets on boats. Camp of evacuees affected by floods. Men and women are sitting by the tents, preparing food on the fire. Construction of dams around the cities of Blagoveshchensk and Heihe (PRC). Residents of cities - Russians and Chinese - work. Wheat and sunflower fields after water recession. Broken stems of plants. Soviet and Chinese scientists at a meeting on a joint research expedition in the Amur River area; present are the head of the Soviet scientific research expedition, Doctor of Technical Sciences S. V. Klopov, the head of the Chinese scientific research expedition, Professor Fyn Chzhun-yun. A group of Soviet and Chinese scientists on a boat sail along the Amur River. Field detachment of the expedition on the banks of the Amur in the area of the future dam. The members of the expedition are working on leveling, determining soil samples.