What is the most famous ancient site in Europe?

Colosseum, Italy. ...

The Colosseum or Coliseum, also known as the Flavian Amphitheater, is an oval amphitheater in the center of the city of Rome, Italy. Built of travertine limestone, tough, and brick-faced concrete, it was the largest amphitheater ever built at the time and held 50,000 to 80,000 spectators.

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.