A man rides a bike past homeless people queuing to access a shelter in the slum area of Kamagasaki on April 23, 2016, in Osaka, Japan. CARL COURT / GETTY IMAGES / AFP A chapter of Osaka's history ...

Yet, stencil graffiti of children have turned up on street walls, drum cans and other spots in the district, also known as Kamagasaki, that blend in well with the neighborhood. The street ...