the tunnel is just by waterloo station, around 300 meters long, also known as leake street or banksy’s tunnel. it used to be a route for through vehicles when the eurostar was based at waterloo. however when this moved to st pancras it was closed for pedestrian use only in 2008. in the may of this year banksy organised two “cans festivals” one in may and one in august. the walls were decorated high and low with graffiti.
it is now an authorised graffiti site, and is a continuous developing and evolving canvas of graffiti art. no visit will be the same. such a vibrant dark place.
read more about banksy on the artsy web site