Our earth is a like a mystery sphere which keeps giving surprises every now and then. Over the years there have been many occurrences which remain a mystery even now. Archaeologists and researchers are still trying to figure out what these things are. Let's see 10 amazing things which have been found on earth but can't really be explained completely:
1The Gate of the Sun
The stone structure carved out of one single stone, is believed to have been built some 1500 years ago. It was found at a location 12,549 feet above sea level, but it is believed that this is not its original location. There are carvings and engravings on the structure, the reasons and meanings of which are still unknown. Some scientists say that these engravings have astronomical and astrological significance, but nobody is 100% sure as to what these signs mean.
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2The Mount Owen Moa
Upland Moa was a flightless bird believed to have become extinct some 500 years ago. But the researchers were shocked to find a well-preserved claw of this extinct bird, dating back to 3,000 years in one of the caves of Mount Owen in New Zealand. Really, caves have such treasures hidden in them.
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3The Longyou Grottoes
These man made caves were found in 1992 and are believed to be dating back to the Qin Dynasty of 212 BCE. Till now, 24 caves have been found and there is no evidence in any historical record which can tell exactly when and how they were made.
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