House Martin <i><a href="//commons.wikimedia.org/wiki/Delichon_urbicum" title="Delichon urbicum">Delichon urbicum</a></i>, Codlea, Romania
<a href="//commons.wikimedia.org/wiki/User:L.Kenzel" title="User:L.Kenzel">L.Kenzel</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>