Rome - The Capital of the Empire

Questions:
1. Is Rome a very old city?
2. How tall is the colloseum?

 　Rome, a brilliant city. Rome, a gloriouscity. For hundreds of years, it was the capital of a great empire and linked up the east and the west. In the history of civilization, Rome played an important role.
　Today, millions of people go to Rome to tracethe old civilization.　　
　In the ancient world, the colosseum was the largest structure of its type. It was 160 feet high with four stories of windows, arches andcolumns. There were 76 entrances on the ground level. Gladiator fights and animal combats were held here.
　The Pantheon, one of the greatest buildings in Rome, was built in A.D. 117- 125. It has an opening at the center top of the dome. 
　Strong defenses were an important part of Roman Empire, so a wall was built in the countryside of Rome. The middle wall was 9 feet thick, and on both sides of the middle there were stone brick walls. People enter the town through the gatehouses.
　St. John in Lateran Basilica is the Cathedral of Rome, the mother of all churches in Rome and in the world. It has been destroyed and rebuilt many times. The current one was built in the 17th century.
　There are many other ancient buildings such as the Roman theatre, the Roman Forum, the Catacombsand the People's Piazza.