Ключевые слова: 6065, 60s, 6570, 7075, 70s, age, aged, american, arrival, automatic, caucasian, commuter, elder, elderly, entrance, european, french, gate, german, grandfather, grey, indoors, male, man, mature, metro, metropolitan, old, old people, passenger, person, public, retired, russian, senior, senior adult, senior man, station, subway, subway station, transportation, turnstile, underground, urban, walking,