ship`s stern light post with two lights against cloudy blue sky. turnbuckles and steel wires are holding the pole upright

anchor are black blue boat cables clouds cloudy day deck device electric electrical electricity equipment fence fixture high holding industry lamp lamps lantern light lights mast metal navigation ocean outside pole post power railing safety sea shackles ship shipping ships signaling sky steel stern supply technology transportation turnbuckle turnbuckles two upright vessel white wires