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EntertainmentListed 10 longest rivers in the world
How many rivers in the world and do you know the longest river?Which mountain is the highest from the center of the earth?
Although not the highest in terms of height, Chimborazo is the highest point from the equator.Mysterious world deepest river
The Congo River flows through 10 countries,Video: Super need to catch the giant Nile perch
In the journey to find fish
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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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