Visitors watch performances at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

Visitors watch exotic performances at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

Visitors watch stunt performances at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

Visitors watch stunt performances at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

Children pose for pictures with actors at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

A girl interacts with an actor at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

A performer does stunt at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

Visitors watch exotic performances at a theme park in Shenzhen City of south China's Guangdong Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Mao Siqian)

Citizens solve riddles during a folk festival in Hefei, east China's Anhui Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Liu Junxi)

Citizens watch performances during a folk festival in Hefei, east China's Anhui Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Liu Junxi)

Citizens learn to make mooncakes during a folk festival in Hefei, east China's Anhui Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Liu Junxi)

Performers rehearse during a folk festival in Hefei, east China's Anhui Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Liu Junxi)

Customers choose simply-packaged mooncakes at a market in Hefei, east China's Anhui Province, Oct. 4, 2017. China has promoted simple packaging drive which would help spread consumption concepts of frugality, rationality and health in recent years. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Liu Junxi)

Customers buy unpackaged mooncakes at a market in Hefei, east China's Anhui Province, Oct. 4, 2017. China has promoted simple packaging drive which would help spread consumption concepts of frugality, rationality and health in recent years. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Liu Junxi)

Customers choose simply-packaged mooncakes at a market in Hefei, east China's Anhui Province, Oct. 4, 2017. China has promoted simple packaging drive which would help spread consumption concepts of frugality, rationality and health in recent years. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Liu Junxi)

Tourists prepare to taste crabs at Lizhong aquatic forest park in Taizhou, east China's Jiangsu Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Tang Dehong)

People perform dragon dance at a park in Nantong, east China's Jiangsu Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Xu Congjun)

Staffs perform flash mob dance at Suzhou Railway Station in Suzhou, east China's Jiangsu Province, Oct. 4, 2017. This year's Mid-Autumn Festival falls on Oct. 4. Mid-Autumn Festival, the 15th day of the eighth month on China's lunar calendar, is an occasion for family gatherings and well-known as the time to eat mooncakes. (Xinhua/Hang Xingwei)