Super-rich buy even more underground bunkers and panic rooms in case of revolutions or natural disasters
http://www.dailymail.co.uk/news/article-3538525/Where-pandemonium-strikes-Super-rich-buying-underground-bunkers-installing-panic-rooms-luxury-apartments-protect-against-revolutions-natural-disasters.html
"O, SINNER MAN"
https://www.youtube.com/watch?v=J7yMzfplUco