Piece of wood turned into <a href="https://en.wikipedia.org/wiki/Charcoal" class="extiw" title="en:Charcoal">charcoal</a> at a campfire
<a href="//commons.wikimedia.org/wiki/User:P_e_z_i" title="User:P e z i">Peter Haas</a>
<span class="int-own-work" lang="en">Own work</span>