The Shanghai Corporate Pavilion at the World Expo, funded by local state enterprises, commissioned a Pulitzer-prize-winning photographer, Liu Heung Shing, to compile a book of images of Shanghai's history, giving him unprecedented access to the city's archives.

ECONOMIST: Shanghai's history

The goal of the organization is to collect as many "visions" of Mexico's future as possible and to compile them in a book that will be presented to the candidates before the election.

CNN: STORY HIGHLIGHTS

To mark the 900th anniversary of the Domesday Book, the public were asked to help compile a digital snapshot of where they lived.

BBC: Revisit the BBC's 1986 Domesday project