cityscape with 12th century romanesque cathedral and watermills on the duero river in zamora, castilla y león, spain.

12th aged ancient architecture bank blue building castile castilla cathedral catholic century church city cityscape clouds day douro ducks duero edification europe exterior famous historical horizontal importance important landmark landscape leon león locations monument monumental notable old opposite outdoors pretty province river romanesque scene sky spain stone structure style summer swimming tourism tower travel vacation view water watermills zamora