A helicopter made by Bell Helicopter Co. is ready for a flight performance during the Second China International Exhibition on Police Technologies & Equipment in Beijing June 24, 2004. The exhibition opened Wednesday, attracting more than 240 enterprises from 20 countries and regions.

Staff members with a European helicopter company move an EC135 helicopter to the flying-off position prior to a flight performance during the Second China International Exhibition on Police Technologies & Equipment in Beijing June 24, 2004. The expo was opened Wednesday, attracting more than 240 enterprises from 20 countries and regions.

A helicopter made by Bell Helicopter Co. is ready for a flight performance during the Second China International Exhibition on Police Technologies & Equipment in Beijing June 24, 2004. The exhibition opened Wednesday, attracting more than 240 enterprises from 20 countries and regions.