Keemik Bunseni monument Heidelbergis
<a href="https://et.wikipedia.org/wiki/User:Kk" class="extiw" title="et:User:Kk">Kk</a>
<span class="int-own-work" lang="en">Own work</span> (<a href="https://et.wikipedia.org/wiki/File:Bunsen.jpg" class="extiw" title="et:File:Bunsen.jpg">etwiki</a>)