A train attendant hands out national flag of China to passengers to celebrate the National Day and the Mid-Autumn Festival on Fuxing bullet train G6131 from Yueyang in central China's Hunan Province to Guangzhou in south China's Guangdong Province, Oct. 1, 2020. (Photos: Xinhua)

A train attendant decorates a carriage to celebrate the National Day and the Mid-Autumn Festival on Fuxing bullet train G6131 from Yueyang in central China's Hunan Province to Guangzhou in south China's Guangdong Province, Oct. 1, 2020.

Train attendants perform for passengers to celebrate the National Day and the Mid-Autumn Festival on Fuxing bullet train G6131 from Yueyang in central China's Hunan Province to Guangzhou in south China's Guangdong Province, Oct. 1, 2020.

A train attendant hands out a mooncake to a passenger to celebrate the National Day and the Mid-Autumn Festival on Fuxing bullet train G6131 from Yueyang in central China's Hunan Province to Guangzhou in south China's Guangdong Province, Oct. 1, 2020.