<a href="//commons.wikimedia.org/wiki/Cerro_Castillo" title="Cerro Castillo">Cerro Castillo</a> School
<a href="//commons.wikimedia.org/wiki/User:Penarc" title="User:Penarc">Penarc</a>
CC BY 3.0
self-made own work (scan from a paper copy)