Wow thats amazing! What program is this?
As apples of gold in silver carvings..so is a word spoken at the proper time.
It is one of the demonstration environments in the original desktop version of Blue Mars 2150 which used Crytek's CryEngine. See http://openvce.net/blue-mars
The recent offereings have been smaller and simpler avatar appearance sharing orientated programs, e.g. in an iPad app.