aerial antenna broadcast cell cellphone cellular christian communication connection cross crucifixion faith frequency global god gsm holy industrial jesus metal mobile network old outdoor phone prayer red religion religious retro sign signal spiritual station sunset symbol technology telecom telephone tower transmission transmitter vintage wireless wood wooden abstract aged aging background brown chemical corroded corrosion damage damaged dirty distressed ferrous frame grunge grungy hull industry iron macro metallic oxidation oxide paint peel peeling pitted plate reaction rough rust rusted rusty scrap stain stained steel texture urban weathered weathering angles appearances architectural architectural elements architecture building city colors colours contrast contrasting decorated decorations decorative distinctive elements exterior external glass green historic historical history linear lines louvers ornamental ornamentation patterns perspectives reflections reflective shade shadows Singapore stone stonework style sunlight textures views walls windows