boyan-slat-560×560 14 May 2014/by Molly Quell https://www.tedxdelft.nl/wp-content/uploads/2016/02/TEDxDelftLogoWebsite.jpg 0 0 Molly Quell https://www.tedxdelft.nl/wp-content/uploads/2016/02/TEDxDelftLogoWebsite.jpg Molly Quell2014-05-14 13:41:592014-05-14 13:41:59boyan-slat-560×560