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EntertainmentEurope opens a tunnel to test 1,000km/h high-speed trains
Europe's longest tunnel to test Hyperloop bullet train technology opened on March 27 in the Netherlands.Elon Musk revealed the first anti-traffic tunnel in Los Angeles
Billionaire Elon Musk shares a 3.2km tunnel image that allows many vehicles to move and help solve traffic jams in Los Angeles, USA.
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Can carp live 10 years in a tank without feeding?
Why do Italy and Switzerland have to redraw the border?
Japanese bullet train accident-free for 60 years
The world's most crowded apartment building: Can accommodate up to 30,000 people, the view inside is overwhelming
World's oldest wine jar contains cremated human bones
America catches strange signal from 1.3 billion light years away from Earth
Two black holes closest to Earth discovered, of a kind never seen before
Solar sails help spacecraft reach Mars in 26 days
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