KTF_8690 13 April 2015/by Pierre Mathieu https://www.tedxdelft.nl/wp-content/uploads/2016/02/TEDxDelftLogoWebsite.jpg 0 0 Pierre Mathieu https://www.tedxdelft.nl/wp-content/uploads/2016/02/TEDxDelftLogoWebsite.jpg Pierre Mathieu2015-04-13 00:24:502015-04-13 00:24:50KTF_8690