Artists including Blek Le Rat (the “father of stencil graffiti”), Roc Blackblock, Suriani and Vegan Bunnies defend their actions, and discuss whether such “freedom of expression” on walls ...

OSAKA--The Airin district of this city's Nishinari Ward is home to flophouses for day laborers, hardly a canvas one might imagine a talented street graffiti artist to revel in. Yet, stencil ...