cable danger disperse electricity lamp landline old-fashioned overhead line overhead powerline overhead transmission line overhead-cable voltage wires cables current distribution electric electrical high voltage instalation line lines overhead pole power sky wire Electricity Pylon energy environment field germany green high voltage tower industrial industry landscape landscape scenery large nature overhead cable overhead power line Power Cable power line power pole Power Supply tall transmission line tree trees rail tracks traffic bushes grass spring distance horizon meadow rural fields turbine wind engine wind engines wind generator AC ampere high installation insulation insulator post volt