Palace of Eternal Longevity
Beijing, China · built 1420
The Palace of Eternal Longevity (simplified, traditional, pinyin: Yŏngshòugōng), also known as Yongshou Palace, is one of the Six Western Palaces in the inner court of the Forbidden City. It is the closest residence to the Hall of Mental Cultivation, the living quarters of the Qing emperors since 1722.
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).