Description: passenger jet flies right overhead.

Description: backround sounds of a hospital including nurse chatter and equipment noises.

Description: the sounds of a crowd of school children playing and laughing in a park outside.

Description: secuirty announcement in airport.

Description: arena crowd applauses.

Description: backround sounds of a hospital including nurse chatter and equipment noises.

Description: secuirty announcement in airport.

Description: backround sounds of a hospital including nurse chatter and equipment noises.

Description: sounds of a bus stop with buses pulling up and driving away, engines idling, and air released.