L'Anneau de Vitesse

The park also hosts the Palais des sports was the main Olympic site in the city in 1968.

[1] The venue seated 2500 during the games, and was cooled to −7 °C (19 °F) using 125 km (78 mi) of ammonia refrigeration over a total skating surface of 9,000 m2 (97,000 sq ft).

The speed ring was built outdoors, on a concrete slab cooled by over 125 km of tubing fed by a direct-pressure ammonia refrigeration plant.

The grandstands are also made of concrete, and house the facilities required for the Olympic Games (offices, changing rooms, infirmary, bar and refrigeration facilities), as well as 2,500 seats.

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