Erpeldange-sur-Sûre, the „Blue Cross“ with the Canticle of the Sun, omposed by Saint Francis of Assissi in 1225.
<a href="//commons.wikimedia.org/wiki/User:GilPe" title="User:GilPe">GilPe</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>