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 Chengsi in protest. Li Baochen, wanting to be conciliatory, sent a cane back with Tian's messenger and allowed Tian to discipline Li Baozheng—but Tian, in anger over his son's death, caned Li Baozheng to death, causing Li Baochen to break off the alliance with Tian. He and Li Zhengji, who also felt slighted by Tian, submitted petitions to the imperial government asking to attack Tian, and Emperor Daizong agreed, launching troops from a number of circuits loyal to the imperial government, in addition to Li Baochen's and Li Zhengji's forces, to attack Tian. Li Baochen, Zhu Tao (whose brother Zhu Ci