Ключевые слова: above, active, activity, adult, alone, architecture, ascending, balance, below, building, city, climbing, concrete, descent, down, exercise, female, foot, gray, handrail, health, high, individual, legs, lifestyle, male, modern, movement, outdoor, person, physical, railing, routine, solo, staircase, stairs, standing, step, steps, structure, upright, urban, urbanization, walking, wellbeing,