Fighting fire with fire works, why not graffiti?Prague's public transportation used to constantly be at war with graffiti artists defacing their tunnels. Painting over the graffiti never worked as a permanent solution until authorities gave several local graffiti artists their own wall to paint on. The artists spray-painted beautifully massive murals and helped curb illegal graffiti in the tunnel.The Prague Public Transport plans to expand their the success of their graffiti project by the end of the year by implementing it in other train stations across the city.