View of Valladolid from the west. From a top of the hill called "Fuente el Sol".

http://en.wikipedia.org/wiki/Valladolid 

You can see the beggining of the "Canal de Castilla", a 200km long canal build in the 1800's to transport grain to the north of Spain and later used for irrigation. http://en.wikipedia.org/wiki/Canal_de_Castilla