Edinburgh many museums and libraries. These include the National Museum of Scotland, the National Library of Scotland, National War Museum, the Museum of Edinburgh, Surgeons' Hall Museum, the Writers' Museum, the Museum of Childhood and Our Dynamic Earth. The Museum on the Mound has exhibits on money and banking. Edinburgh Zoo, covering on Corstorphine Hill, is the second most popular paid tourist attraction in Scotland, and currently home to two giant pandas, Tian Tian and Yang Guang, on loan from the People's Republic of China. Edinburgh is also home to The Royal Yacht Britannia, decommissioned in 1997 and now a five-star
Tian Jun of large ships, known as the "tower ships" (樓船), at one point allowing him to threaten Yang with attack if Yang refused to yield Run Prefecture to him. Tian planned to attack him, and therefore began to build a fleet of his own. He hired the same shipbuilders who built Feng's fleet, and when the shipbuilders pointed out that Feng used the best wood possible to build durable ships (and that Ningguo lacked such wood), Tian responded that he only planned to use his fleet once. Quickly, his fleet was built. Feng, realizing Tian's intentions, decided to act preemptively, and