The derelict buildings of Lisbon are providing an enormous blank canvas for urban artists, who are creating street art bold enough to stop the traffic. Rachel Dixon goes on a graffiti-spotting trail
The Crono Project is creating street art on a massive scale. This corner building shows work by Os Gêmeos and BluPhotograph: Leonor ViegasOs Gêmeos are twin brothers from Brazil, known for their yellow-skinned charactersPhotograph: Rachel Dixon/GuardianThe curved corner of the building is put to good usePhotograph: Rachel Dixon/GuardianRachel Dixon standing in front of the piece by Blu, giving a sense of the scale of the workPhotograph: Rachel Dixon/GuardianLucy McLauchlan's art in actionPhotograph: Alexander SilvaThe crocodile on the left is by Ericailcane, an Italian artistPhotograph: Alexander SilvaBrightening up the bricked-up windows Photograph: /Alexander SilvaPhotograph: Alexander SilvaA giant thief in the night by Sam3Photograph: Rachel Dixon/GuardianA close-up of Sam3's workPhotograph: Rachel Dixon/GuardianWork by ARM on the Avenida da LiberdadePhotograph: Alexander SilvaPart of the Galeria de Arte Urbana, an area in Lisbon where graffiti artists can operate legallyPhotograph: Rachel Dixon/GuardianA monkey points the way to the Castelo de São JorgePhotograph: Rachel Dixon/Guardian