SF - Mooncake/Mid-Autumn Fest. Mama beaver Aubrey Woodbrook enjoying tea w/ mooncake. Wikipedia: The Mid-Autumn Festival (Chinese: 中秋節; Japanese: 月見), also known as Moon Festival or Mooncake Festival, is a traditional festival celebrated by Chinese and other people including in the "Sinosphere." It is the second-most important Chinese holiday after Chinese New Year with a history dating back 3,000 years, when China's emperors worshipped the moon for bountiful harvests. The celebration is called Tsukimi (moon-viewing) in Japan.