Passengers get off a train after arriving at the Yinchuan Railway Station in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Peng Zhaozhi)

Passengers get off a train after arriving at the Yinchuan Railway Station in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Peng Zhaozhi) 

Passengers check in to board trains at the Yinchuan Railway Station in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Peng Zhaozhi) 

Passengers board a train at the Beijing Railway Station in Beijing, capital of China, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Gong Lei) 

Passengers queue up to board a train at the Beijing Railway Station in Beijing, capital of China, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Gong Lei) 

Passengers enter the Yinchuan Railway Station in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Peng Zhaozhi) 

A train from Beijing, capital of China, arrives at the Yinchuan Railway Station in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Peng Zhaozhi)

Passengers sit on a train at the Nanjing Railway Station in Nanjing, capital of east China's Jiangsu Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Li Xiang)

Passengers board a train at the Nanjing Railway Station in Nanjing, capital of east China's Jiangsu Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Li Xiang)

A child rests on the luggage while waiting for a train at the Changzhou Railway Station in Changzhou City, east China's Jiangsu Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Chen Wei)

A passenger has a nap while waiting for his train at the Changzhou Railway Station in Changzhou City, east China's Jiangsu Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Chen Wei)

A passenger yawns while waiting for his train at the Changzhou Railway Station in Changzhou City, east China's Jiangsu Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Chen Wei)

Passengers have a nap while waiting for trains at the Changzhou Railway Station in Changzhou City, east China's Jiangsu Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Chen Wei)

Passengers prepare to board a train at the Harbin Railway Station in Harbin, capital of northeast China's Heilongjiang Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Wang Song)

Passengers enter the waiting hall at the Harbin Railway Station in Harbin, capital of northeast China's Heilongjiang Province, Jan. 26, 2013. The 40-day Spring Festival travel rush started on Saturday. The Spring Festival, which falls on Feb. 10 this year, is traditionally the most important holiday of the Chinese people. It is a custom for families to reunite in the holiday, a factor that has led to massive seasonal travel rushes in recent years as more Chinese leave their hometowns to seek work elsewhere. Public transportation is expected to accommodate about 3.41 billion travelers nationwide during the holiday, including 225 million railway passengers, (Xinhua/Wang Song)