No, it was built in 1173, many centuries after the end of the Roman Empire (476 a.C.). The tower was done as part of the complex of the Cathedral, built by Pisans as a symbol â¦of their power. Pisa after the fall of the Roman Empire was a big city, the most powerful in Tuscany and, in Middle Ages, it was a Republic.
10 most extreme places on Earth. Popliteal artery entrapment syndrome is a relatively rare developmental disorder in which the popliteal artery and the gastrocnemius muscle in the calf are oriented abnormally with respect to each other.
Popliteal artery occlusive disease is a common occurrence, especially in elderly patients, smokers, and those with diabetes mellitus and other cardiovascular diseases. Each year, more than 100,000 peripheral arterial reconstructive operations and 50,000 lower-limb amputations for lower-extremity ischemia are performed in the United States.