Passengers prepare to take a train of the Mudanjiang-Jiamusi Railway at the Mudanjiang Railway Station in Mudanjiang, Northeast China's Heilongjiang province, Dec 6, 2021. The country's easternmost high-speed railway, linking the cities of Mudanjiang and Jiamusi in Heilongjiang province, started operation on Dec 6, stretching 372 km in the frigid zone. [Photo/Xinhua]
A train runs in a trial operation of the Mudanjiang-Jiamusi Railway in Northeast China's Heilongjiang province, Dec 2, 2021. [Photo/Xinhua]
A train runs on the Mudanjiang-Jiamusi Railway in Northeast China's Heilongjiang province, Dec 6, 2021. [Photo/Xinhua]
A train runs on the Mudanjiang-Jiamusi Railway in Northeast China's Heilongjiang province, Dec 6, 2021. [Photo/Xinhua]
A train runs in a trial operation of the Mudanjiang-Jiamusi Railway in Northeast China's Heilongjiang province, Dec 4, 2021. [Photo/Xinhua]
