The Brazilian activist Mundano has painted a huge wall in Sao Paulo with colours made "from the waste of environmental crimes" and the ashes of forest fires.
She guides his hand over the rough wall the mural is taking shape on and describes Lewis' expressive brushwork. She also gives Rankins a sense of how big the finished project will be. "So your ...
The mural doesn't really have one theme. Each wall is different, with one displaying an astronaut, planets and a rocket ship named Bulldog One after the school mascot. Another wall has hot air ...