<a href="https://en.wikipedia.org/wiki/Sunshine_recorders" class="extiw" title="en:Sunshine recorders">Sunshine recorder</a> (also known as a heliograph), part of instruments of weather station on mountain Lisca (948 m) near <a href="https://en.wikipedia.org/wiki/Sevnica" class="extiw" title="en:Sevnica">Sevnica</a>, Slovenia
<a href="//commons.wikimedia.org/wiki/User:Romanm" title="User:Romanm">romanm</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Romanm" title="User talk:Romanm">talk</a>)
own photo on a sunny day