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EntertainmentGiant toothed leeches in the Amazon basin
A species of leechesDetecting underground river below
Brazilian scientists have discovered an underground river at a depth of about 4,000 meters below the Amazon.The largest river water level in the world is a record low
The severe drought in northern Brazil this year caused the water level of the Amazon River to fall to its lowest level in 47 years.
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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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