Why Does America Favor Concrete Roads, While China Prefers Asphalt?
Why Does America Favor Concrete Roads, While China Prefers Asphalt?Roads are vital arteries connecting cities and countryside, driving economic growth. Across the globe, nations choose different pavement materials for their highways...
Wang Yaping's daughter, whose mother is an astronaut and father is a pilot, enjoys four preferential treatments
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Planes from various countries prefer to take long detours rather than fly over Tibet. What is there over Tibet?
You may not have noticed that China has an airspace, and all planes in the world must deliberately avoid it, even if they take a long detour, they will not easily approach it. Why is this? This area is Tibet, known as the Roof of the World, with an average elevation of more than 4 kilometersIt is one of the most inhospitable places in the world and the largest aviation obstacle in the world...