Description: Park Lage Rio Janeiro, Palace School of Visual Arts Classroom students shouting joyful bg actions

Description: School, covered patio Gym, recess, students clamor chatter

Description: Ambience from inside the Bricklayers Arms pub, Fitzrovia, London with people chatting

Description: Agency Banking boxes warning password bg signal within uproar printer environment

Description: School, covered patio Gym, recess, students come coming, growing uproar

Description: Interior full house audience watches performance. Vlite occasional murmur. Continuous take. Great texture.

Description: Ambience near the departure gates at an airport (Manchester, Terminal 1, England)

Description: a low rumble from construction outside the building.

Description: Parking Covered Supermarket, vehicles pass under the gate channel iron electronic bg general environment