The stern of Dkyfken under construction in the Fremantle shipyard, with planks' bolts being replaced with treenails (the white dots on the hull are the newly-inserted treenails; note the wedges slightly visible).
<a href="//commons.wikimedia.org/wiki/User:Samwilson" title="User:Samwilson">Sam Wilson</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span> <a rel="nofollow" class="external free" href="https://www.flickr.com/photos/freosam/35927861952/">https://www.flickr.com/photos/freosam/35927861952/</a>