20,943 views | Henry de Vries • TEDxNSPOH

Hogyan fenyegetik az oltási programokat az összeesküvés-elméletek? | Henry de Vries | TEDxNSPOH

Become a TED Member
Want to hear more great ideas like this one? Sign up for TED Membership to get exclusive access to captivating conversations, engaging events, and more!