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High speed rail is the most advanced transportation system in the world; it is much faster than train before. The development of high speed rail changed the Chinese trip mode. On the other hand, electronic bus in Shenzhen reduced the car pollution from this city. And there also has large fish farm in Hainan
According to this video, there were many innovative technologies. Such as artificial beach in Sichuan, 1000 kV transmission network in Zhejiang, LNG ship made by Shanghai Hudong Container Terminal Company, high-tech telescope in Hebei and Guizhou.
Renewable energy cans instead sort of non-renewable energy. The demand of energy is increasing. There are serious air pollution and urban congestion.
Wind power-Xinjiang Solar energy farm-Qinghai Fish farm-Hainan
Wind power: the wind mills are hard to make and they need long time to test it. Also, they are difficult to fit into the machine.
Electronic transmission: those engineers who make telescope are dangerous when they are working.