Archaeologists unearth two 5,500-year-old pyramids in Poland
Archaeologists have unearthed two massive pyramids in Poland, dating back over 5,500 years to the 4th millennium BCE. The pyramids are in elongated trapezoidal shapes with up to 200 meters in length and 4 meters in height and are made from massive stones, with some stones weighing up to 10 tonnes. Called the 'Polish pyramids', they predate the Egyptian pyramids.