A passenger presents a photo that a conductor has just taken for him aboard train No. K5153 traveling from Harbin to Fuyuan in northeast China's Heilongjiang Province, May 13, 2026. The Sanjiang Plain in Heilongjiang Province is a leading grain-producing area in China. Workers are needed there during the transplanting season for rice seedlings.

Accordingly, railway operators in the region arrange dedicated trains to bring migrant workers from Harbin, Suihua and surrounding areas to the Sanjiang Plain. These dedicated trains have transported more than 1.9 million passengers since they were inaugurated in 2000. (Xinhua/Wang Song)

People prepare to board train No. K5153 traveling from Harbin to Fuyuan at Harbin East Railway Station in Harbin, northeast China's Heilongjiang Province, May 13, 2026. The Sanjiang Plain in Heilongjiang Province is a leading grain-producing area in China. Workers are needed there during the transplanting season for rice seedlings.

Accordingly, railway operators in the region arrange dedicated trains to bring migrant workers from Harbin, Suihua and surrounding areas to the Sanjiang Plain. These dedicated trains have transported more than 1.9 million passengers since they were inaugurated in 2000. (Xinhua/Wang Song)

People prepare to board train No. K5153 traveling from Harbin to Fuyuan at Harbin East Railway Station in Harbin, northeast China's Heilongjiang Province, May 13, 2026. The Sanjiang Plain in Heilongjiang Province is a leading grain-producing area in China. Workers are needed there during the transplanting season for rice seedlings.

Accordingly, railway operators in the region arrange dedicated trains to bring migrant workers from Harbin, Suihua and surrounding areas to the Sanjiang Plain. These dedicated trains have transported more than 1.9 million passengers since they were inaugurated in 2000. (Xinhua/Wang Song)

This photo taken on May 13, 2026 shows a paper-cutting depicting a scene of rice transplanting aboard train No. K5153 traveling from Harbin to Fuyuan in northeast China's Heilongjiang Province. The Sanjiang Plain in Heilongjiang Province is a leading grain-producing area in China. Workers are needed there during the transplanting season for rice seedlings.

Accordingly, railway operators in the region arrange dedicated trains to bring migrant workers from Harbin, Suihua and surrounding areas to the Sanjiang Plain. These dedicated trains have transported more than 1.9 million passengers since they were inaugurated in 2000. (Xinhua/Wang Song)

A technician offers a lecture on agricultural machine operation and maintenance aboard train No. K5153 traveling from Harbin to Fuyuan in northeast China's Heilongjiang Province, May 13, 2026. The Sanjiang Plain in Heilongjiang Province is a leading grain-producing area in China. Workers are needed there during the transplanting season for rice seedlings.

Accordingly, railway operators in the region arrange dedicated trains to bring migrant workers from Harbin, Suihua and surrounding areas to the Sanjiang Plain. These dedicated trains have transported more than 1.9 million passengers since they were inaugurated in 2000. (Xinhua/Wang Song)