The Björketorp Runestone is part of a grave field which includes menhirs, both solitary and formingstone circles. It is one of the world's tallest runestones measuring 4.2 metres in height, and it forms an imposing sight together with two high uninscribed menhirs. The runes were made in the 6th or the 7th century and in Proto-Norse. It is found on two sides.References:
The city walls of Avila were built in the 11th century to protect the citizens from the Moors. They have been well maintained throughout the centuries and are now a major tourist attraction as well as a UNESCO World Heritage Site. Visitors can walk around about half of the length of the walls.
The layout of the city is an even quadrilateral with a perimeter of 2,516 m. Its walls, which consist in part of stones already used in earlier constructions, have an average thickness of 3 m. Access to the city is afforded by nine gates of different periods; twin 20 m high towers, linked by a semi-circular arch, flank the oldest ones, Puerta de San Vicente and Puerta del Alcázar.