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EntertainmentThe 700-year-old sword is embedded in the rock at the bottom of the lake
Archaeologists do not know who inserted the Medieval sword into the underwater rock and for what purpose.The silver mosaic sword remains intact after 800 years
The 13th-century sword with many silver mosaic carvings emerged between the bucket of excavator in the English golf course.
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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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