Ancient monument Rystad 49:1, petroglyphs or rock carvings at Gärstad outside Linköping, Sweden. Large ship. Autumn leaf of ash for size reference.
<a href="//commons.wikimedia.org/wiki/User:LA2" title="User:LA2">LA2</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>