Saudi Arabia threw sky-high open tender of 60 billion US dollars to build a desert high-speed rail, but why did no country dare to bid? It took China ten years to overcome this difficulty, which has amazed the world. Not only that, when China built the high-speed rail, it also specially trained 400 local workers to be responsible for desert control work. For Saudi Arabia, it's like hitting the jackpot! So, what problems did China experience while completing this project? How did they solve it? Hi, everyone. Welcome to Hot Topics Time, a channel to interpret news from a new perspective, and explore the wisdom behind the news. Before we start today's video, please subscribe to our channel, which is the encouragement that we can create more videos. As for this video, I’d like to talk about the Haramain high-speed railway.