About Helene
An idea worth spreading
La thérapie par le voyage | Josef Schovanec | TEDxParis
https://youtu.be/yL3RIaAfKEA
The Secret Structure of Great Talks | Nancy Duarte | TEDxEast http://www.amara.org/fr/videos/x7duUHh7PBbL/info/the-secret-structure-of-great-talks-nancy-duarte-at-tedxeast/