The overall form was inspired by the Chinese character "世" ("shi", meaning the world) which represents the ideals for a truly global scale event in the World Expo (世博会 in Chinese).
The organisers also wanted the Expo to showcase the diverse urban cultures of the world.
It highlights that sustainable development in the future is a pivotal part of the Expo's theme "Better City Better Life".
He said "I hope that the quintessence of Chinese calligraphic representation will express the World Expo's philosophy of "understanding, communication, togetherness and cooperation".
It also appears to make an outline of the shape of a dove, symbolising friendship and peace.