Image (improved with my software) of mountain fightings in Ethiopia in 1941 (after italian conquest in 1936). Public Domain because more than 70 years old.
<a href="//commons.wikimedia.org/w/index.php?title=User:Nicola_Romani&amp;action=edit&amp;redlink=1" class="new" title="User:Nicola Romani (page does not exist)">Nicola Romani</a>
2011-06
<span class="int-own-work" lang="en">Own work</span>