academicheskiy

architecture

barrier

blocking

building

business

card

ceiling

center

check

checkpoint

corridor

design

door

electronic

empty

entrance

equipment

ethrough

exit

floor

footstep

gate

gateway

glass

halflength

hall

hallway

interior

light

lobby

modern

moscow

nobody

noentry

passageway

pedestrian

restricted

security

sign

steel

stop

symbol

system

through

training

turnstile