Are these guys brave or insane? This DIY thrill ride in Bulgaria is the brainchild of Vasil Tuchkov and Ilko Iliev, who set up a rope swing between two 18-story, Soviet-era apartment towers.
It indicates the ability to send an email. Matthew Karsten braved the Big Rush Urban Adrenaline, the world's highest rope swing, which hangs above South Africa's FIFA World Cup stadium.