![](http://www.alamy.com/thumbs/6/9FF42D54-DC17-48C8-A65B-9573EBAD5C31/D4G60T.jpg)
Detail of a stone defense wall with a round tower in the background
Size: 2831px × 4256px
Location: Tallinn, Estonia
Photo credit: © marinuse - Estonia / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: architecture, barrier, brick, castle, city, defend, defending, defense, fortress, historic, historical, history, impenetrable, protect, protecting, protection, red, rock, roof, stone, tower, wall