Unfinished chapel in Vila Nova de Cerveira, Portugal. It is colloquially known as "Porta do Céu" (Door of the Sky) though the name of the chapel was supposed to be "Capela do Espírito Santo" (Chapel of the Holy Spirit).
<a href="//commons.wikimedia.org/w/index.php?title=User:HugoNissa&amp;action=edit&amp;redlink=1" class="new" title="User:HugoNissa (page does not exist)">HugoNissa</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>