 Complete the following phrase:  Estoril, a vacation-destination beach town located 20 miles west of the Portuguese capital city of Lisbon has had a motor racing dating back to the 1930s, with a 2.8 km 1.7 mi street circuit used in 1937 for a local race. The current Estoril circuit was built and completed in 1972 on a rocky plateau near the village of Alcabideche, from Estoril, the town lending its name to the circuit. The course has two hairpin turns, noticeable elevation changes, and a long 986 metre startfinish straight. Its original perimeter was , and the maximum gradient is nearly 7. Monsanto Park, another street circuit in Lisbon hosted a variety of motor racing events in the 1950s, including the 