Ключевые слова: abstract, activity, architecture, blue, blur, building, business, businessman, businesspeople, bussiness, city, climb, concept, corporate, crowd, curve, descend, design, feet, floor, geometric, glass, hitech, indoors, interior, metal, modern, motion, new, office, passage, people, shoe, silhouette, spiral, staircase, stairs, stairway, step, structure, technology, transparent, urban, walk, walking, walkway, york,