It does give players more to do by letting them go questing on a heretofore mist-shrouded island with a new race called the Pandaren, an anthropomorphised race of giant pandas.
The Ecuadorian Andes are a fiendish proposition for any transport planner: a three-mile high spine of mountains that runs down the centre of the country, unfolding into high plateaus, fissuring into canyons and sheltering mist-shrouded old towns.