blue boat mast sea sky cloud danish historic nordic Nyberg sailing viking wood cable ocean rope ship wire yard cold communication frost hill ice mountain peak radio snow summit tower transmitter winter climb clouds coal elevator geight lift mine miner pit stairs Alster antenna broadcast cell cellular city electromagnetism germany hamburg lake landmark mobile radio-mast receiver reflection satellite scene Signals tele michel telecommunications Telemichel telephone television television station television tower tv high rigging sailboat UP Copenhagen Denmark gantry light lighthouse flagpole line marlin spike Newport monochrome Monochrome photography