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The Royal Expedition expedition in Quang Binh has discovered a cave more beautiful than Son Doong, the cave is considered the most spectacular in the world.Hang Son Doong is a record holder of 3 world records
Son Doong Cave (Quang Binh Province) officially became the first and only landmark in the world today, which has been established by the World Records.
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Can carp live 10 years in a tank without feeding?
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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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