Flags on the westwork façade of the Basilica of Our Lady in Maastricht, Netherlands. The photograph was taken during the 2018 <i>Heiligdomsvaart</i> ("relics pilgrimage"), a religious and historic event that takes place once in seven years and dates back to the Middle Ages.
<a href="//commons.wikimedia.org/wiki/User:Kleon3" title="User:Kleon3">Kleon3</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>