playground /ˈpleɪ.ɡraʊnd/
a public open space where children can play and climb on structures, usually made of wood, ropes, and old tyres
adventure playground /ədˈven.tʃə ˌpleɪ.ɡraʊnd/
a place where aircraft regularly take off and land, with buildings for passengers to wait in
airport /ˈeə.pɔːt/