<a href="https://en.wikipedia.org/wiki/European_Green_Belt" class="extiw" title="w:European Green Belt">European Green Belt</a>
<a href="//commons.wikimedia.org/wiki/User:NordNordWest" title="User:NordNordWest">NordNordWest</a>
CC BY-SA 3.0
<p><span class="int-own-work" lang="en">Own work</span>, using <a href="//commons.wikimedia.org/wiki/File:Cannabis_use_among_adults_(aged_15-64).svg" title="File:Cannabis use among adults (aged 15-64).svg">Image:Cannabis use among adults (aged 15-64).svg</a> by <a href="//commons.wikimedia.org/wiki/User:T%C3%A9_y_kriptonita" class="mw-redirect" title="User:Té y kriptonita">Té y kriptonita</a>
</p>
<ul><li>Source: <a rel="nofollow" class="external text" href="http://www.europeangreenbelt.org">European Green Belt</a></li></ul>