What museum is now housed in the palace built by Nguyễn An and others in the 15th century?
Nguyễn An Nguyễn An (Sino-Vietnamese 阮安; died 1453), known in Chinese as Ruan An (pinyin) or Juan An (Wade-Giles), was a Ming dynasty eunuch, architect, and hydraulics specialist between the first and fifth decades of the 15th century. Born in Vietnam, he was taken as tribute from Vietnam to China and later became a eunuch and architect in service to the Chinese emperors. He, along with numerous architects, such as master designers and planners Cai Xin (蔡信), Chen Gui (陳珪), and Wu Zhong (吳中), master carpenter Kuai Xiang (蒯祥), and master mason Lu Xiang (陸祥), was an important builder of the Forbidden City in Beijing.
Lý dynasty The Lý dynasty ( ; ] ) (Vietnamese: "Nhà Lý" , Hán Nôm: 家李), sometimes known as the Later Lý dynasty, was a Vietnamese dynasty that began in 1009 when emperor Lý Thái Tổ overthrew the Early Lê dynasty and ended in 1225, when the empress Lý Chiêu Hoàng (then 8 years old) was forced to abdicate the throne in favor of her husband, Trần Cảnh. During emperor Lý Thánh Tông's reign, the official name of Vietnam became Đại Việt.