Las Vegas, hotel, entrance, EXT, luggage handle, cars arriving, doors

Office, silent conversation, some people walking in and out, doors, Basel, Switzerland

University hallway with doors, reverberant, stairs, people talking, walking by, doors, New York City, USA

University, entrance hallway, busy, large crowd, doors, many conversations, Poznan, Poland

University, small corridor hallway, exams, large crowd talking, doors, Poznan, Poland

Museum, EXT, square near entrance, doors, small crowd, fountain