Ключевые слова: activity, athletic, background, ball, cage, competition, day, daylight, exercise, fence, field, football, frame, game, goal, grass, green, grid, ground, guard, local, match, mesh, metal, metallic, net, outdoor, pattern, place, protect, row, safety, security, soccer, space, sport, stadium, steel, sun, sunlight, sunshine, texture, wall, wire,