[JMT1985]

I thought it became totally green screen with the relaunch of News at Ten in 2008, and they created the platform virtually.

Not from what I heard from someone who worked there from 2005 to 2015 - he said the platform was real but movable, so for News at Ten, you could have the complete curved backdrop and just the desk platform in the middle. 

And then came February 2009 when the turned all the other bulletins into the same style as the News at Ten set, so the platform for walking was removed altogether.