Conference of French engineer and astronaut <a href="https://en.wikipedia.org/wiki/Jean-Fran%C3%A7ois_Clervoy" class="extiw" title="en:Jean-François Clervoy">Jean-François Clervoy</a> at the <a href="https://en.wikipedia.org/wiki/%C3%89cole_Polytechnique" class="extiw" title="en:École Polytechnique">École Polytechnique</a>
<bdi><a href="https://www.wikidata.org/wiki/Q29876735" class="extiw" title="d:Q29876735"><span title="French photographer">Jérémy Barande</span></a>
</bdi>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/117994717@N06/27275878187/">Conférence Ecole polytechnique</a>