If you thought the average Q&A session at a celebrity appearance could get a little strange, you really have to hear the audience questions at the International Astronautical Congress in Mexico, where Tesla and SpaceX founder Elon Musk revealed his plan to colonise mars.
Burning Man, Michael Cera, toilets…this has it all.
Oh boy.
What would you ask Elon, given the chance? Let us know in the comments!