Ключевые слова: abstract, architecture, backdrop, background, blue, brown, built, cable, cell, communication, construction, dark, electricity, empty, energy, environment, equipment, global, grass, industry, lights, line, metal, mobile, natural, nature, old, outdoors, pattern, phone, power, scene, seat, sky, stadium, steel, structure, summer, symbol, technology, telephone, texture, tourism, tower, traffic, travel, vintage, wire, wood, wooden,