Yes, it was a Cataclysm feature
that continued in Mists of Pandaria's development process
, and now it's back again for the ramp up to Warlords of Draenor
-- the official Screenshot of the Day
. We're actually up to five of them so far but the above scene from the steps of the Temple of Karabor is my favorite. Still, this picture from Frostfire Ridge
(I presume) definitely interests me as well. Looking forward to combing over the pictures obsessively for the next few months.