What was the name of Banksy’s 2008 street-art festival held in a London railway tunnel?

Banksy’s 2008 street-art festival held in a London railway tunnel was called The Cans Festival.

The event took place in the Leake Street tunnel beneath Waterloo station in London. Banksy invited street artists from several countries to create large-scale works in the tunnel, which had already become associated with graffiti and urban art. The name refers to aerosol spray cans, the principal tool used by many participating artists.

The Cans Festival was notable because it presented street art as a collaborative public event rather than as isolated, unsanctioned marks on city property. Visitors could watch artists work and see the tunnel transformed into a changing outdoor gallery.

The festival is often confused with Banksy’s later projects, such as Dismaland and Better Out Than In. Unlike those projects, The Cans Festival was a concentrated event in one London tunnel and focused on spray-paint culture.