glass green high nature office park relax rest skyscraper steel tower Anhalt brown colours doors germany half-timbered Harz history house quedlinburg red roof saxon unesco village window amsterdam brick brickwork font memorial placard stone stone texture street street object text texture wall wall ornament clouds communicating communications communications equipment connecting equipment height highrise light modern multi-storey multi-story receivers receiving sending Signals steel structure telecommunications towering transmission transmissions transmitters transmitting angles appearances arch arched architectural architecture Australia bricked bricks colonnade cover covered dark darkened historic open-sided perspective perspectives shade shaded shadows shelter stonework strength strong structure structures sunlight sunshine support view views walls arches entrance exterior external lamp lampshade outside