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Many remnants of ancient times still make the world today astounded by the creativity and talent of ancient people.Longmen Stone Cave - World Cultural Heritage in China
Unesco's Science, Education and Culture Organization has recognized China's Longmen Stone Cave as a World Cultural Heritage in 2000.
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Why are there no male queen bees?
The mystery of the 'doomsday' cinema, built in the desert but not a single person has visited for more than 30 years
Mystery of dozens of giant circular structures at the bottom of Lake Michigan
US ship becomes world's largest artificial reef
Wreckage of mysterious missing bomber found after 80 years
Surprised to know the identity of the Russian missile debris 'hunter'
Australia releases chemical composition data of nearly 1 million stars
NASA shuts down plasma device to save spacecraft 20.5 billion kilometers away
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