TEDxParis 2015, Théâtre du Châtelet, Paris, France. 1 November 2015.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/38241934@N03">TEDx Paris</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/tedxparis/22664820052/">Révolutions Françaises : Yves-Marie Le Bourdonnec</a>