A 1 of a kind photograph taken at Martin Place in Sydney Australia, the train track is live and no unauthorized people can legally get into this area. As you can see, a lot of people have - all the amazing graffiti. In between taking this shot I could feel the air being pushed down towards my by a on coming train, I could not hear or see it. Luckily the lights on the left and right of the tunnel change colour when a train is close giving you time to jump into one of the 'service' areas and watch the train whoosh past you.