Hu Min/Shanghai Daily news

Shutterbugs, both Chinese and expats, are being asked to take part in "Expo Impression," a digital-photography contest recording the dramatic transformation of the city as it prepares for the World Expo 2010.

The three-month contest was launched yesterday at the Expo Exhibition Center on Huaihai Road M. Pictures can be submitted from December 28 until March 31, 2009.