Underbelly: graffiti artists the DDS Crew paint London tube trains

The DDS Crew have been breaking into London tube stations to paint trains for more than 20 years. Transport for London accuses them of causing £10m damage. Recently they have been filming themselves in the act. Now filmmakers Chris Atkins and Tom Oswald have gained access to their footage for a documentary, Underbelly. Here is an exclusive preview Stolen from The Guardian Online