In Indonesia a dangerous mode of transport just got a lot more dangerous. People clinging precariously to the roofs of trains is a common sight in parts of Asia. Now, Indonesian authorities are taking drastic action to combat the railway surfers. Barriers with concrete balls dangling from them are being set up at some stations to make daredevil roof riders think twice. No Comment | euronews: watch the international news without commentary | http://www.euronews.net/nocomment/