High-speed train attendants participate in a training program, including physique, etiquette and etc. ahead of the spring festival travel rush in Chongqing, Jan. 5, 2023. (Photo: China News Service/Su Zhigang)
High-speed train attendants participate in a training program, including physique, etiquette and etc. ahead of the spring festival travel rush in Nanjing, east China's Jiangsu Province, Jan. 5, 2023. (Photo: China News Service/Yang Bo)
High-speed train attendants participate in a training program, including physique, etiquette and etc. ahead of the spring festival travel rush in Nanjing, east China's Jiangsu Province, Jan. 5, 2023. (Photo: China News Service/Yang Bo)
High-speed train attendants participate in a training program, including physique, etiquette and etc. ahead of the spring festival travel rush in Nanjing, east China's Jiangsu Province, Jan. 5, 2023. (Photo: China News Service/Yang Bo)
High-speed train attendants participate in a training program, including physique, etiquette and etc. ahead of the spring festival travel rush in Nanjing, east China's Jiangsu Province, Jan. 5, 2023. (Photo: China News Service/Yang Bo)
High-speed train attendants participate in a training program, including physique, etiquette and etc. ahead of the spring festival travel rush in Chongqing, Jan. 5, 2023. (Photo: China News Service/Yang Bo)