<a href="https://en.wikipedia.org/wiki/Critical_Mass_(cycling)" class="extiw" title="en:Critical Mass (cycling)">Critical mass</a> street protest on <a href="https://en.wikipedia.org/wiki/Bundesstra%C3%9Fe_9" class="extiw" title="en:Bundesstraße 9">Bundesstraße 9</a> from Cologne to Bonn during <a href="//commons.wikimedia.org/wiki/Category:2017_United_Nations_Climate_Change_Conference" title="Category:2017 United Nations Climate Change Conference">COP 23</a>.
<dl><dd>Photo taken in <a href="//commons.wikimedia.org/wiki/Category:Urfeld_(Wesseling)" title="Category:Urfeld (Wesseling)">Urfeld (Wesseling)</a>, corner Willy-Brandt-Straße / Rheinstraße.</dd></dl>
<span class="licensetpl_aut"><a href="https://de.wikipedia.org/wiki/Benutzer:Spielvogel" class="extiw" title="de:Benutzer:Spielvogel">Spielvogel</a></span>, the copyright holder of this work, hereby publishes it under the following license:
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>