Island school, <a href="https://en.wikipedia.org/wiki/Juist" class="extiw" title="en:Juist">Juist</a>, <a href="https://en.wikipedia.org/wiki/Lower_Saxony" class="extiw" title="en:Lower Saxony">Lower Saxony</a>, Germany
<bdi><a href="https://www.wikidata.org/wiki/Q34788025" class="extiw" title="d:Q34788025"><span title="German photographer and mathematician">Dietmar Rabich</span></a>
</bdi>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>