Diqing Tibetan Autonomous Prefecture County (formerly Weixi), and they all were under the administration of Lijiang. The Autonomous Prefecture was established in 1957 and named "Diqing" by its first governor. During the remainder of the 20th century, the prefecture's capital was called Zhongdian but was renamed on December 17, 2001 as Shangri-La City (other spellings: Semkyi'nyida, Xianggelila, or Xamgyi'nyilha) after the fictional land of Shangri-La in the 1933 James Hilton novel "Lost Horizon", with an eye toward promoting tourism in the area. On June 25, 2007 the Pudacuo National Park was established on in this prefecture. On January 11, 2014, there was a major
Lost Horizon called the first American paperback book, when in fact paperbacks had been around since the mid-1800s. What made Pocket Book #1 of revolutionary importance was that it was the first "mass-market" paperback; mass market paperbacks allowed people of modest means not only to own books they otherwise could not afford but also to slip the paperback into their pocket for casual reading on the go, hence the name "Pocket Book". By the 1960s, Pocket Books alone, over the course of more than 40 printings, had sold several million copies of "Lost Horizon", helping to make it one of the most