Kurzgesagt – In a Nutshell

S2016 E5 Safe and Sorry – Terrorism & Mass Surveillance

本集简介

上一集

2016/04/08 S2016 E4

Space Elevator – Science Fiction or the Future of Mankind?

下一集

2016/05/12 S2016 E6

How Far Can We Go - Limits of Humanity

当前季