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EntertainmentDiscovered the ruins of the capital of the Mongol Empire
Researchers first detailed the capital city built by Genghis Khan in central Mongolia 800 years ago.Orkhon Valley - World Cultural Heritage in Mongolia
The United Nations Science, Education and Culture Organization recognized the Orkhon Valley of Mongolia as a World Cultural Heritage in 2004.
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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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