2. The regions of central Italy include Lazio and Tuscany (Toscana) along the west coast, Umbria in the interior and Marche on the east coast. The highest weather station of this group sits at 1875 metres (6150 feet) on Monte Terminillo.. The regions of central Italy include Lazio and Tuscany (Toscana) along the west coast, Umbria in the interior and Marche on the east coast. The highest weather station of this group sits at 1875 metres (6150 feet) on Monte Terminillo.
1 The curvature designed into the faces of the pyramid exactly matches the radius of the earth. 2  Khufuâs pyramid, known as the great pyramid of Giza, is the oldest and largest, rising at 481 feet (146 meters). 3  Archaeologists say it was the tallest structure in the world for about 3, 800 years.
It is believed that thousands of slaves were used to cut up the large blocks and then slowly move them up the pyramid on ramps. The pyramid would get slowly built, one block at a time. Scientists estimate it took at least 20,000 workers over 23 years to build the Great Pyramid of Giza.