Ключевые слова: activity, aged, ball, ballgame, boccia, boule, bowl, bowls, circle, competition, europe, european, france, fun, game, ground, hobby, holding, italy, leisure, male, man, metal, objects, old, outdoor, outside, petanque, play, playground, playing, recreation, retirement, roll, round, sand, season, seniors, shiny, skill, spain, sphere, sport, steel, summer, training, two,