Cogwheels at an old hydroelectric power station, Isen, Upper Bavaria, Bavaria, Germany, Europe

aged alternative alternative an at bavaria bavarian caucasian clean close close up close ups closeup closeups cog cog wheel cog wheels cogged cogwheel cogwheels cogwheels deserted detail details elder elderly electric electrical electricity empty energies energy engineering europe european free gear gear wheel gearwheel generation german germany hydroelectric industry iron isen machine machines no nobody of old older one people plant plants power power provision round shot shots station stations strength supplies supply technic technical technology there toothed up upper ups wheel wheels