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British archaeologists have unearthed the remains of a mysterious prehistoric structure that might be older than Egypt’s pyramids.
Discovered during work at a housing development in Monmouth, Wales, the bulky feature consists of a series of trenches possibly housing the timber foundations of a massive building.
"We have what appear to be huge parallel sleeper beams set close to the edge of an ancient, dried up lake," archaeologist Steve Clarke of Monmouth Archaeology told Discovery News.
Made from what seems to be entire tree trunks, the sleeper beams are huge, measuring more than 50 ft in lenght and more than 3 ft across.
"It's huge and presumably prehistoric but otherwise we haven't a clue what it is, we don't know how old it is and we don't know how long it is," Clarke said.