Rommehed, near Borlange, approx 200 km North-west of Stockholm was a track made of sand and ice. The firebrigade put on water, lorries put on sand - and they did so every day for two weeks. The track was used for the 1947 Swedish Winter Grand Prix. Winner was Reg Parnell in a ERA. Race day was 29 degrees below zero but 50 000 spectators turned up. Track length was 5000m.