Underwater technical works, diving survey of the hydroelectric power plant building in Daugava
Underwater technical works in Latvia, divers perform diving in the survey works of the hydroelectric power plant building. The picture shows how the divers of SIA "Dronelab" survey the condition of the hydroelectric power plant and pump building up to a depth of 15 meters in the Daugava river. Visible distance underwater is 0.1-0.5 meters, water temperature 5C. Filming […]