Adam's bridge or Ram-setu as it is known in India has been associated with the Ramayana, the Hindu mythological text, for as far as we can remember. While many believed that the limestone shoals which make up the bridge deposited at that particular place naturally, the Science Channel has come up with new research that blows the lid on the mystery surrounding the historic bridge.

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The show on Science Channel called 'What on Earth' did some research on the stones placed to make the bridge. "The rocks on top of the sand actually pre-date the sand. So there is more to the story," an archaeologist said. According to researchers, what this actually means is that the stones did not accumulate naturally but were placed there by someone, around 7000 years ago.

The bridge connects Pamban Island in Tamil Nadu to the Sri Lankan Mannar Island, which is man-made. While Hindu mythology says that the bridge was made by Lord Rama and his army of followers to reach Sri Lanka and free his wife from Ravana, many archaeologists believe that the bridge was formed when mainland Sri-Lanka broke away from the Indian sub-continent some 1, 25,000 years ago.

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While the complete episode is yet to be aired, it remains to be seen how the researchers have dated the rocks to come up with this revelation.