The norwegian visual artist Halvard Hatlen (1899-1957) decorating the wall at Romerike Folkehøgskole, Jessheim
<a href="//commons.wikimedia.org/wiki/User:Halvard" title="User:Halvard">Halvard</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>