A drone photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

An aerial drone photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

This photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

An aerial drone photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

This photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

A drone photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

An aerial drone photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

An aerial drone photo taken on Feb. 1, 2026 shows high-speed trains at a maintenance depot in Guangzhou, south China's Guangdong Province.

High-speed trains across China are getting ready for the country's upcoming annual Spring Festival travel rush, also known as chunyun, which begins on Feb. 2 in 2026. Each year during this peak travel season, millions of people working, studying or living away from their hometowns return home for the Spring Festival, China's most important traditional holiday, forming the world's largest annual human migration. ( Xinhua/Deng Hua )

A drone photo taken on Feb. 1, 2026 shows high-speed trains preparing for operation in Xi'an, northwest China's Shaanxi Province. ( Photo by Zhang Wen/Xinhua )

An aerial drone photo taken on Jan. 31, 2026 shows high-speed trains preparing for operation in Xi'an, northwest China's Shaanxi Province. ( Photo by Ren Wei/Xinhua )

An aerial drone photo taken on Feb. 1, 2026 shows high-speed trains preparing for operation in Xi'an, northwest China's Shaanxi Province. ( Photo by Zhang Wen/Xinhua )

An aerial drone photo taken on Feb. 1, 2026 shows high-speed trains preparing for operation in Xi'an, northwest China's Shaanxi Province. ( Photo by Zhang Wen/Xinhua )