It's said that amid the hustle and bustle of the world we should occasionally spare a moment to look up at the moon. But it's possible to find the moon also in old books and artifacts. Yuan Hongqi has been researching the history of the Qing Dynasty's imperial court and its cultural artifacts at the Palace Museum for 47 years. Throughout history, the moon has risen and set on countless occasions, shining on mountains, illuminating rivers and lighting up the way ahead for people, from emperors and ministers, to common folks. So, let's listen to Yuan's stories about how the Mid-Autumn Festival was celebrated in the imperial court all those centuries ago.