3D abstract background black chain chrome close concept connection creation design detail fence fill graphic grid illustration industrial industry isolated line link metallic New original pattern power prison reflection render safety secure security shiny silver steel strength strong style symbol system texture tile together unique vector white brass bronze golden aerial-roots banyan banyan-tree clinging competing competitive constricting contrast contrasting creeper distinctive external foliage greenery growing growth interconnected interlinked intertwined interwoven leaves light powerful root-system Roots shadows shapes spread spreading strangling sunlight sunshine surface surfaces tree trees tropical vegetation vine wood woody arrest barb barbed barbed wire barbwire barrier blue capture captured construction control danger forbidden freedom get out hope hopeless inside iron jail locked in metal no entrance. outdoor outside prisoner protection shape sharp sign sky strands three twisted wire analyse backdrop bacteria blood analysis cells cleaning clusters color colour contamination culture disease disinfect germs green health health care illness immune immune system immunity infection medical medicine microbes microscopic mitosis pathogens petri dish probiotics sample science sickness slides swab test tissue unclean virus above angles appearance building capping cover covered covering edge exhaust-pipes exterior grooved grooves height high roof roof-area roof-capping roof-whirlybird roofing rooftop textures tiles tiling turbine-ventilator vent ventilation ventilation-exhaust-pipes ventilation-system ventilator vents whirlybird whirlybirds wind-turbine addressee aerial antenna beam broadcast cable communication digital directional directive dish electric electronic electronics energy equipment house housetop media modern photo radio receiver reception receptor rooftop dish satellite satellite dish satellitenschüssel technology telecast television tool tv ugly video wave wireless blood dez pain multicolored multicoloured xymonau amperage business circuit current distribution electrical electricity facility factory flowers fuel generation generator global infrastructure insulator plant production station structure substation supply tower transformer transmission utility voltage volts warning