Shanghai World Expo's 4th test run

Tens of thousands of visitors poured into the Expo Park on Saturday, as officials from the Shanghai World Expo held their fourth test operation.

300-thousand visitors a day was a big test for the park. But visitors this time did not have to wait as long to get through the security check entrance, compared with the previous three rehearsals.

More volunteers have been stationed around the park to provide better services and to make operation of the park more orderly.

Tens of thousands of visitors poured into the Expo Park on Saturday, as officials from the Shanghai World Expo held their fourth test operation.