Subscribe to Channel 4 News: http://bit.ly/1sF6pOJ Channel 4 News meets the people living underground in tunnels beneath Romania's capital Bucharest, abandoned by society to a life of drug addiction and shocking conditions. Behind the scenes: http://bit.ly/1D0f2q0 A life lost in Romania's tunnels: http://bit.ly/1nA7xED Watch more Dangerous World: http://bit.ly/1xY6K0X Top stories: http://bit.ly/1wdbIG1