Shanghai outdoor excursions

If you're heading to Shanghai for Expo 2010, you certainly won't be alone. Over 25 million tickets have already been sold, and Shanghai city officials are predicting 70 million visitors to visit by the time the Expo wraps up in October. If you tire of traipsing through the rest of the world in the many indoor pavilions and are seeking some fresh-air experiences in and around Shanghai itself, here are five tips for short outdoor excursions: