DescriptionSierradealcubierre.jpg English: The Sierra of Alcubierre, between the provinces of Zaragoza and Huesca, in the most western part of Monegros
DescriptionCalle de la SierradeAlcubierre.jpg Español: Calle de la SierradeAlcubierre, Madrid Date April 2017 Source Own work Author Asqueladd Permission