"Thank you!"

While the driver was making a phone call, the seven little ones were walking to the toll gate of the subway.

Daniel watched the people in front of him walking past, he followed curiously and was stopped by the gate. The gate was tall covering his whole body.

The six little ones at the back came over and, like Daniel, tried to get through the gate.

But as soon as the people in front of them passed, the gate popped out and stopped them.

The seven youngsters looked at those who came in and out with question marks all over their faces.

The driver hurried over and said,...