A lockDownload
Detail of the ancient Walls of Avila in Spain from outside the city. Completed between the 11th and 14th centuries, they are the city's principal historic feature.

Detail of the ancient Walls of Avila in Spain from outside the city. Completed between the 11th and 14th centuries, they are the city's principal historic feature.

Download this HD photo of observation tower, day, tourism, and green color by Getty Images (@gettyimages)

Calendar outlinedPublished on CameraNIKON CORPORATION, NIKON D800
SafetyLicensed under the Unsplash+ License
observation towerdaytourismgreen colorstone materialno people2015oldtravel destinationsprotectioneuropean culturefamous placetowerunesco world heritage siteávila‎ - spainforthorizontalarchitecturehistorybuilt structureFree pictures