The official description from the Limited Time Magic site:
Take advantage of a rare opportunity when Limited Time Magic presents a tour of Expedition Everest – Legend of the Forbidden Mountain, as seen through the eyes of Walt Disney Imagineering! Come along for the ride as you venture inside the Tibetan-style stone structure, all while hearing tales from Imagineers who helped bring this exciting attraction to life. From the ideas that inspired the Royal Anandapur Tea Company to the fearsome story of the legendary Yeti—the mysterious snow monster said to inhabit the Himalayas, you won't want to miss this chance to explore the magic at Disney's Animal Kingdom Theme Park! Each exciting tour takes place once daily and space is extremely limited—register at the Disney Parks Blog today!