Madrid environmental, sporting, leisure and cultural interest. Madrid Río provides a link with other green spaces in the city such as Casa de Campo and the Linear Park of the Manzanares River. The main landscaped area in Madrid Río is the Arganzuela Park, covering 23 hectares where pedestrian and cycling routes cover the whole park. The Madrid Río cycling network covers some and is linked to other bike routes. To the north, Madrid Rio connects to the Senda Real, the Green Ring for Cyclists and the E 7 (GR 10) trail, which goes as far as the Sierra de Guadarrama mountain
Allison Engine Testing Stands by servicemen of the 44th Depot Repair Squadron of the USAAF 81st Air Depot Group; two enclosed engine stands constructed by the Allied Works Council; two open stands of unknown construction; and a concrete pavement area which is the site of former associated buildings. The first Allison Testing Stands were constructed on the eastern side of Schneider Road and the Eagle Farm Aerodrome in November–December 1942 as a consequence of arrangements made for Australia to serve as a stronghold for United States (US) operations in the Pacific during World War II (WWII). The area, however, had previous links with aviation.