Zài mùqián shàng cún de shí jǐ zuò wángfǔ zhōng, Gōng Wángfǔ shì bǎocún zuì wánzhěng de, yě shì wéiyī duìwài kāifàng de.
At present, amongst the ten or so prince's mansions, Prince Gong's mansion is the best preserved and most intact and is the only one open to the public.
听 (listen):

Source: Zhang Ai, Hou Su (Editors) 2008. Prince Gong's Palace.