3.Different height of palace and halls
At the Palace Museum in Beijing, the "Palace" (Gong) is higher than the "Palace Hall" (Dian). In Shenyang Palace Museum, the "Palace" is lower than the "Palace Hall".

Hall of Supreme Harmony (Taihe dian) in Beijing [Photo/VCG]; Chongzheng Palace (Chongzheng dian) in Shenyang. [Photo/IC]
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