Palermo, Sicilia, Italia<br>faculty of science, palermo
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/lopez20/">lopez20</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/lopez20/173144236/">Flickr</a>