blue sky electricity Electricity tower metallic structure power lines sky structure tower audio blue curve electric blue level line measure meter mp3 music noise purple sound speak speech violet voice wav wave background clear ripples light lines ocean red sea surface water wavy ball base black block boom crane cranes derrick foot headache hitch hook industrial main nature pedant pedants pier place port whip cape plumbago climbers clusters flora flowers hedge light blue perennials petals plumbago auriculata plumbago. fast-growing shrubs sky blue textures woody stemmed architecture building Copenhagen Denmark Kobenhavn office row series symmetrical symmetry urban window buoys coastal fishing float floating maritime net round sea waves backdrop graphic illustratation pattern pop-art stripes texture yellow abstract color colour fast red speed streaks aqua asphalt clouds gray Guard Railing road white White Lines