原生周期之秦直道
公元前212，800+KM。不喜欢走人多路，始皇眼光5000年？
宽20至60，最早的复兴号。无恶无善半仁，亦罪亦功半史。
Qin Zhidao was 212800 kilometers ago. Don't like to walk away in multiple ways, did Emperor Shi Huang have a 5000 year vision? The earliest high-speed train with a width of 20 to 60. It is both evil and good, half benevolent, half guilty and half meritorious.
