An AA-class DMU in Volos station. This class of DMUs was built by Ganz-MAVAG in the 1970ies.
<a href="https://de.wikipedia.org/wiki/Benutzer:Herbert_Ortner" class="extiw" title="de:Benutzer:Herbert Ortner">Herbert Ortner</a>, Vienna, Austria
CC BY 3.0
own image, scan from slide