Ключевые слова: apartment, architecture, building, city, city building, city life, city living, city street, city traffic, cityscape, cityscape view, clear sky, colorful, downtown, exterior, infrastructure, intersection, light, lisbon, low angle, metropolitan, modern, modern living, orange, portugal, red, residential, residential area, road, road safety, signal, signal light, signaling, sky, street, structure, traffic, traffic control, traffic management, traffic signal, transportation, urban, urban dwelling, urban environment, urban infrastructure, urban life, urban scene, urban setting, urbanization, yellow,