Fresco frieze depicting a double running spiral, from a Room on the first floor in Xeste 3 at Akrotiri, 17th century BC. Prehistoric Museum of Thira, Fira, Santorini.
<a href="//commons.wikimedia.org/wiki/User:Zde" title="User:Zde">Zde</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>