Beijing traffic control room.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...m_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...ntrol_room.jpg
Previously:
https://www.homemadetools.net/forum/...744#post167342
https://www.homemadetools.net/forum/...3870#post78893
https://www.homemadetools.net/forum/...089#post149541
https://www.homemadetools.net/forum/...932#post156691
https://www.homemadetools.net/forum/...913#post100293
