<p>Located on the old crater of the volcano, the bullring. Seems quite suitable, like a natural Amphitheatre.
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Graciosa, Açores, Portugal.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/149428202@N04">Marco Albuquerque</a> from Macau, China
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/marco_albcs/46037980242/">Crater Bullring</a>