article_snippet: he acknowledged that what he does is 'very illegal' and said that he would never go shoot the tunnels without friends.
article_snippet: The photographer said that visitors to the subway tunnels can emerge with visitors to the subway tunnels hands and teeth covered in dirt despite not having touched anything .
article_snippet: There is also 'another world' of graffiti artists and urban explorers who use the same tunnels for adventure, though some do not like photographers sharing photos of photographers secret spots .
article_snippet: Mr Berg said that the subways were 'the dirtiest place you've ever been,' with the constant possibility of stepping on dead rats and more live rodents than you could imagine from looking at the critters scurrying around on active tracks.
article_snippet: The tunnels are stifling hot in the summer and can become cold in the winter, though The tunnels are always capable get visitors dirty even without they are always capable touching anything.