Ключевые слова: activity, ancient, asphalt, background, big, black, board, challenge, checkered, checkers, city, competition, design, floor, fun, game, geneva, giant, ground, interesting, large, leisure, lined, logical, mosaic, nobody, object, outdoor, park, pavement, pawn, piece, plastic, play, playing, popular, ruled, set, sidewalk, sport, square, stone, strategy, street, summer, surface, texture, town, travel, urban,