Seventeen-year-old, 'X' lives in a 'favela' in Rio de Janeiro, Brazil
This unnamed four-year-old boy lives on the outskirts of Rome, Italy. He and his family all sleep on the mattress in the photograph
Where Children Sleep, set to be published later this year by Chris Boot, is a collection of James Mollison's photographs of childrens' bedrooms from around the world.
"I hope this book will help children think about inequality, within and between societies around the world," says Mollison in his introduction, "and perhaps start to figure out how, in their own lives, they may respond."