Instructor Liu and the others looked around for a moment before turning to maintain order within the surrounding area.

They could vacate a large space, but they couldn't effect the order of the airport. Many of the airport staff were already there, directing the guests to walk to the waiting room on the side.

Instructor Liu talked to a near security official.

He looked at the center of the airfield and grinned, asking, "How long will it take?" ...