Air China welcomed the nation's first Boeing 787-9 Dreamliner in Beijing on May 20, after a 14-hour delivery flight from North Charleston in South Caronia.

The 787-9, Registration B-7877, is configured with 293 seats in a three-class layout - 30 lie-flat seats in Business Class, 34 seats in Premium Economy Class and 229 Economy seats.

At 8:38 a.m. on May 22, the Dreamliner arrived at Ordos Ejin Horo Airport for a two-day flight testing.

On May 26, Air China will operate inaugural 787-9 commercial flight from Beijing to Chengdu (CA4114). Then, the 787-9 will be deployed on domestic routes to Shanghai (May 27) and Guangzhou (July 1) before serving long-haul routes to Frankfurt (July 15) and Rome (August 1).

This time-lapse video takes you behind the scenes at Boeing's factory where the aircraft is expertly built.