Access to this vast complex of grand palaces, abundant gardens, and sacred pavilions was off limits to most of imperial China
Forbidden City at 600: How China's imperial palace survived against the odds
Forbidden City - Wikipedia
Imperial China National Geographic
Royalty National Geographic
Qianlong Garden Interpretation Center will open Forbidden City
The Great Forbidden City: A Glimpse into China's Imperial Past
Beijing/Forbidden City – Travel guide at Wikivoyage
Go inside China's Forbidden City—domain of the emperor and his court for nearly 500 years
Visiting the Forbidden City in Beijing – The Tower Info
Go inside China's Forbidden City—domain of the emperor and his
Tickets & Tours - Forbidden City (Palace Museum), Beijing - Viator