The Cup of Solid Gold from the Qing Dynasty (L); A writing brush used by ancient emperors from the Qing Dynasty. [Photo/Official Weibo account of the Palace Museum]

From the second day of the first lunar month to the 10th day, an auspicious day would be chosen to hold a tea party, in which the emperor would invite dukes and ministers to create poetry under his rule and well-performed officials would be rewarded.