wasserkraftwerk oder wasserkraftwerk, luftbild - hydroelectric power stock-videos und b-roll-filmmaterial00:12
aerial view of mcnary dam on the columbia river between oregon and washington state. - hydroelectric power stock-videos und b-roll-filmmaterial00:19
hydroelectric dam under full river flow, mountains - hydroelectric power stock-videos und b-roll-filmmaterial00:25
drohnenansicht des kowloon reservoirs im kam shan country park - hydroelectric power stock-videos und b-roll-filmmaterial00:13
drohnen-wasserkraftwerk vs. solarkraftwerk - hydroelectric power stock-videos und b-roll-filmmaterial00:50
ms aerial ds view of vaal dam's flood gates / bloemfontein, free state, south africa - hydroelectric power stock-videos und b-roll-filmmaterial00:26