SocietyCrowd psychology - the more the merrier To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSociety10/12/2018October 12, 2018What makes millions of people want to gather to drink too much overpriced beer and do things they'd normally never even dream of doing? Our reporter met a social psychologist at Munich's Oktoberfest to find out.https://p.dw.com/p/36StxAdvertisement