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 Ji'an Tian Chengsi had been the first military governor of Weibo, but chose Tian Yue to be his successor rather than any of his sons.) Tian Ji'an was Tian Xu's third son, and was born of a mother of lowly birth. After Tian Xu assassinated Tian Yue and succeeded him in 784, Emperor Dezong gave Tian Xu his sister Princess Jiacheng in marriage in 785. As she had no son of her own, she adopted Tian Ji'an as her son. He was thus made the deputy military governor and Tian Xu's designated successor. When Tian Xu died suddenly in 796, the