Original sentence: Designed by Jules de Their and Henri Langlois Van Ophem, the original 15 km (9.3 mile) triangle-shaped course used public roads between the Belgian towns of Francorchamps, Malmedy and Stavelot.The biggest change saw the circuit being shortened from 14 km (8.7 miles) to 7 km (4.35 miles) in 1979
Edited sentence: All these changes made the final configuration of the old Spa circuit 14 km (8.7 mi) long.And instead of going through a slight left hander and a wide, sharp right hander through the town of Stavelot, a shortcut was built that became a very fast, very wide right handed turn that went past Stavelot.Designed by Jules de Their and Henri Langlois Van Ophem, the original triangle-shaped course used public roads between the Belgian towns of Francorchamps, Malmedy and Stavelot.The biggest change, however, saw the circuit being shortened from 14 km (8.7 miles) to 7 km (4.35 miles) in 1979.The old Spa circuit was essentially a speed course with drivers managing much higher average speeds than on other race tracks- a factor that made Spa very popular from the start of its inception and opening.The sudden right hander at Malmedy was eliminated and bypassed, and was made part of the Masta Straight.The track was originally 15 km (9.3mi) long, but after World War II, the track had some changes.The uphill U-turn right after the famous Eau Rouge corner called "Virage de Ancienne Douane" was eliminated and cut short, thus giving birth to the Radillon uphill sweeping corner