Juyongguan

Juyongguan or Juyong Pass (simplified Chinese: 居庸关; traditional Chinese: 居庸關; pinyin: Jūyōng Guān) is a mountain pass located in the Changping District of Greater Beijing, over 50 kilometers (31 mi) from central Beijing. The Great Wall of China passes through, and the Cloud Platform gate was built here in 1342 CE.