The nave of <a href="https://en.wikipedia.org/wiki/Santa_Maria_de_Montserrat_Abbey" class="extiw" title="en:Santa Maria de Montserrat Abbey">Santa Maria de Montserrat</a>, a Benedictine abbey located on the mountain of Montserrat, in Monistrol de Montserrat, in Catalonia, Spain.
<a href="//commons.wikimedia.org/wiki/User:Ad_Meskens" title="User:Ad Meskens">Ad Meskens</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>