Gate of Heavenly Purity - Credit: Wikimedia Commons
The Gate of Heavenly Purity (; Manchu: kiyan cing men) is the main gate of the Inner Court of the Forbidden City, in Beijing, China. The gate once led people to Forbidden City's residential quarters. It is connected to the Palace of Heavenly Purity, and near the Gate of Thriving Imperial Clan. Read more on Wikipedia
Source: en.wikipedia.org