When you travel by train and feel the beauty of the new era, you can remember Sun zhongshan's observation one hundred years ago: Today's world, no country can be built without railways. Today, more than 130,000 kilometers of railway network and two thirds of the world's high-speed rail network have brought 1.4 billion people together. All this has been forged by the wisdom and hard work of generations of railway personnel. Nothing can be taken for granted. Let's practice and pass on the great railway dream