写真素材 - Photo from mountain river that runs usually in mountains, in narrow, deep valley with steep banks, rocky stream bed, and accumulated rock debris. Mountain rivers are characterized by high slope and flow velocity, insignificant depth, frequent rapids and w
Photo from mountain river that runs usually in mountains, in narrow, deep valley with steep banks, rocky stream bed, and accumulated rock debris. Mountain rivers are characterized by high slope and flow velocity, insignificant depth, frequent rapids and w