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EntertainmentFamous caves in the world
Changes in weather, earthquakes, the effects of nature ... over a long period of time have created wonderful natural caves in the world that amaze people.Magical fireflies cave
Located on the outskirts of Waitomo town in North Island, New Zealand, the Waitomo Glowworm cave system is an attractive tourist attraction.
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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
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