TEDxTalk 15. August 2016 https://www.janvogler.com/de-de/wp-content/uploads/sites/3/2018/08/TEDxDresden.png 600 312 Jan Vogler Germany Jan Vogler Germany https://www.janvogler.com/de-de/wp-content/uploads/sites/3/2018/08/TEDxDresden.png 15. August 2016 20. Dezember 2018