( CNN ) Photographer Peter Losekoot is fascinated by city life and its people . He took photos in major cities across the world to see how its residents interact . In 2007 , a UN report said 3.3 billion people live in cities -- 10 % of the Earth 's surface .
Photographer Peter Losekoot is fascinated by city life and its people . He took photos in major cities across the world to see how its residents interact . In 2007 , a UN report said 3.3 billion people live in cities -- 10 % of the Earth 's surface .