Ключевые слова: abstract, agreements, area, arena, athletic, audience, background, blank, blue, chair, color, colourful, colours, construction, element, empty, football, game, green, horizontal, leisure, line, mark, match, numbered, objects, organised, outdoors, parallel, pattern, perspective, place, plastic, public, row, seat, sector, show, sit, spectator, sport, stadium, stand, step, texture, urban, vacant, yellow,