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Title
Keystone at the apex of a masonry arch at Merida #142175405
Description
Close-up of keystone (or capstone), the wedge-shaped stone piece at the apex of a masonry arch at Merida. Founded by ancient Rome in western Spain, the city preserves many buildings of that era europe extremadura picturesque classical greek roman old rustic charming architecture heritage rock wall urban quiet sunny traditional structure construction stonewall rough grunge shabby rugged solid bulky built block ruins remains worn archeology excavations site amphitheater engineering frame way doorway entrance passageway