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.
Lê dynasty The Later Lê dynasty (Vietnamese: "Nhà Hậu Lê" ; Hán Việt: 後黎朝), sometimes referred to as the Lê dynasty (the earlier Lê dynasty ruled only for a brief period (980–1009)), was the longest-ruling dynasty of Vietnam, ruling the country from 1428 to 1788, with a brief six-year interruption of the Mạc dynasty usurpers (1527-1533). Vietnamese historians usually distinguish the 100-year Later Lê dynasty early period (1428 to 1527) from 256-years of figurehead emperors of the Later Lê dynasty warlord period (1533 to 1789) following the dynasty's restoration by powerful warlords.