A drone photo shows traffic flows on the Nanjing Yangtze River Bridge in Nanjing, east China's Jiangsu Province, Jan. 25, 2025.

As the Spring Festival (Chinese New Year) draws near, an unprecedented 9 billion inter-regional trips are expected during this year's chunyun, or 40-day Spring Festival travel rush. (Photo by Yang Suping/Xinhua)

Departing passengers are pictured at a platform of Nanjing Railway Station in Nanjing, east China's Jiangsu Province, Jan. 25, 2025.

As the Spring Festival (Chinese New Year) draws near, an unprecedented 9 billion inter-regional trips are expected during this year's chunyun, or 40-day Spring Festival travel rush. (Photo by Yang Suping/Xinhua)

Passengers are about to enter the Yangzhou East Railway Station in Yangzhou, east China's Jiangsu Province, Jan. 25, 2025.

As the Spring Festival (Chinese New Year) draws near, an unprecedented 9 billion inter-regional trips are expected during this year's chunyun, or 40-day Spring Festival travel rush. (Photo by Meng Delong/Xinhua)

Passengers have their tickets automatically checked before boarding at the Huzhou East Railway Station in Huzhou, east China's Zhejiang Province, Jan. 25, 2025.

As the Spring Festival (Chinese New Year) draws near, an unprecedented 9 billion inter-regional trips are expected during this year's chunyun, or 40-day Spring Festival travel rush. (Photo by Yi Fan/Xinhua)