Media mentions 2 different locations where the park will appareantly be built, Blizzard reps refuse to comment and noone has ever heard of it before yesterday.
Everything points to it being a hoax, but then again, there's this [http://games.sina.com.cn/o/n/2011-02-09/1015473328.shtml].
Although this might as well be an entirely different rollercoaster.
So much speculation, so little actual information...