All-weather running track - choose a jigsaw puzzle to solve

An all-weather running track is a rubberized artificial running surface for track and field athletics. It provides a consistent surface for competitors to test their athletic ability unencumbered by adverse weather conditions. Historically, various forms of dirt, grass, sand and crushed cinders were used. Many examples of these varieties of track still exist worldwide.
Gara di corsa - Puzzle di gara sportiva
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Gara di corsa

Added over a year ago by Lore 22