chairs concrete dustbins old streets painted railings roads roof rootops satellite dishes slates washing white windows angles antenna cloud communicating communications communications-equipment concave connecting dishes distant distinctive electrical-signals electromagnetic engineering equipment exterior external height high light mobile-phones modern parabolic parabolic-reflector pole radio-waves receivers receiving rooftop round satellite-dish satellite-dishes sending Signals sky steel steel-structure technical technology telecommunications telephones towering transmission transmissions transmitters transmitting wires appearance dish tower