Here is a recording of the football field at Loyola High School in Los Angeles. It includes sounds from birds, street traffic, some sprinklers, other people walking around, and a jet going by overhead.
聲音步行
聲道：2
類型：wav
sprinkler、birds、traffic、street、field、jet、field-recording、urban
灑水車、鳥類、交通、街、領域、噴射、現場記錄、城市的
資料來源：freesound ( https://freesound.org )