The evolution of Chinese New Year's Eve rituals

The final night of the year carries unusual weight. For centuries, China's ritual has been quiet but deeply symbolic: staying awake together as the old year slips away. When did this tradition begin? How did people spend Spring Festival Eve in ancient times? And how did staying awake become inseparable from watching sketches, spotting celebrities, and asking if the Gala is better than last year? On the show: Niu Honglin, Steve & Fei Fei