Officials working to lessen the heat

More shelters being added outside the most popular Expo pavilions

SHANGHAI - Visitors to Expo 2010 Shanghai are expected to have a few cool days coming up, with organizers vowing to provide more shelters and ease the surging crowds waiting outside popular pavilions.

The mercury in Shanghai will hit 28 C on Tuesday and rainfall is forecast for the next two days, but organizers said they will continue to adopt measures to cool down the heat.