Ключевые слова: activity, aerial photography, aerial view, agriculture, americana, attraction, autodrome, automobile, background, champion, championship, competition, country, countryside, dirt track, empty, entertainment, environment, extreme, fairground, historic, iowa, knoxville raceway, landmark, landscape, marion county fairgrounds, midwest, motorsports, outdoor, pattern, playing field, power, racecourse, racetrack, recreation, speed, speedway, sport, sport stadium, sports, sprint car capital, sprint car racing, stadium, summer, texture, tourism, tournament, town, transportation, winner,