Kostas Terzopoulos (GreenWays Social Cooperative Enterprise),
<a rel="nofollow" class="external text" href="http://www.stephan-roehl.de/,">Stephan Röhl</a> | <a rel="nofollow" class="external text" href="https://www.flickr.com/people/44112235@N04">Heinrich-Böll-Stiftung</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/boellstiftung/10795813584/">Kostas Terzopoulos</a>