charles de gaulle airport, interior, ga. serving 89 million passengers a year, it is the world's busiest

air airport architectural architecture atlanta building busiest business center charles city concept construction corporate corporation counter design entry floors florida futuristic gate gateway gaulle geometric glass hall hallway headquarters indoor inside interior international lobby marble metal million modern office paris passengers people perspective reflecting reflection roof serving shiny station structure technology terminal the ticket ticketing transit travel urban view window world x27 year