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The Roman Colosseum or Coliseum, originally known as the Flavian Amphitheatre, was commisioned in AD 72 by Emperor Vespasian. It was completed by his son, Titus, in 80, with later improvements by Domitian.
The Colosseum is located just east of the Roman Forum and was built to a practical design, with its 80 arched entrances allowing easy access to 55,000 spectators, who were seated according to rank. The Coliseum is huge, an ellipse 188m long and 156 wide. Originally 240 masts were attached to stone corbels on the 4th level. Just outside the Coliseum is the Arch of Constantine (Arco di Costantino), a 25m high monument built in AD315 to mark the victory of Constantine over Maxentius at Pons Milvius.
Vespesian ordered the Colosseum to be build on the site of Nero's palace, the Domus Aurea, to dissociate himself from the hated tyrant.
His aim was to gain popularity by staging deadly combats of gladiators and wild animal fights for public viewing. Massacre was on a huge scale: at inaugural games in AD 80, over 9,000 wild animals were killed. Roman gladiators were usually slaves, prisoners of war or condemned criminals. Most were men, but there were a few female gladiators. These combats were attended by the poor, the rich, and frequently the emperor himself. As gladiators fought, vicious cries and curses were heard from the audience around the Roman Colosseum. One contest after another was staged in the course of a single day. Should the ground become too soaked with blood, it was covered over with a fresh layer of sand and the performance went on. The gladiatorial games continued until Christianity progressively put an end to those parts of them which included the death of humans.
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David, marble sculpture executed from 1501 to 1504 by the Italian Renaissance artist Michelangelo. The statue was commissioned for one of the buttresses of the cathedral of Florence and was carved from a block of marble that had been partially blocked out by other sculptors and left outdoors. After Michelangelo completed the sculpture, the Florentine government decided instead to place it in front of the Palazzo Vecchio. The original is now in the Accademia, and copies have been installed in the Piazza della Signoria and the Piazzale Michelangelo, which overlooks Florence.
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Milan Cathedral is the cathedral church of Milan, Lombardy, Italy. Dedicated to the Nativity of St Mary (Santa Maria Nascente), it is the seat of the Archbishop of Milan, currently Archbishop Mario Delpini.
The cathedral took nearly six centuries to complete: construction began in 1386, and the final details were completed in 1965. It is the largest church in Italy—the larger St. Peter's Basilica is in the State of Vatican City, a sovereign nation—and the second largest in Europe and the fourth largest in the world.
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Leaning Tower of Pisa, Italian Torre Pendente di Pisa, medieval structure in Pisa, Italy, that is famous for the settling of its foundations, which caused it to lean 5.5 degrees (about 15 feet [4.5 metres]) from the perpendicular in the late 20th century. Extensive work was subsequently done to straighten the tower, and its lean was ultimately reduced to less than 4.0 degrees. The bell tower, begun in 1173 as the third and final structure of the city’s cathedral complex, was designed to stand 185 feet (56 metres) high and was constructed of white marble. Three of its eight stories had been completed when the uneven settling of the building’s foundations in the soft ground became noticeable. At that time, war broke out between the Italian city-states, and construction was halted for almost a century. This pause allowed the tower’s foundation to settle and likely prevented its early collapse. Giovanni di Simone, the engineer in charge when construction resumed, sought to compensate for the lean by making the new stories slightly taller on the short side, but the extra masonry caused the structure to sink still further. The project was plagued with interruptions, as engineers sought solutions to the leaning problem, but the tower was ultimately topped out in the 14th century. Twin spiral staircases lined the tower’s interior, with 294 steps leading from the ground to the bell chamber (one staircase incorporates two additional steps to compensate for the tower’s lean). Over the next four centuries the tower’s seven bells were installed; the largest weighed more than 3,600 kg (nearly 8,000 pounds). By the early 20th century, however, the heavier bells were silenced, as it was believed that their movement could potentially worsen the tower’s lean.
The foundations have been strengthened by the injection of cement grout and various types of bracing and reinforcement, but in the late 20th century the structure was still subsiding, at the rate of 0.05 inch (1.2 mm) per year, and was in danger of collapse. In 1990 the tower was closed and all the bells silenced as engineers undertook a major straightening project. Earth was siphoned from underneath the foundations, decreasing the lean by 17 inches (44 cm) to 13.5 feet (4.1 metres); the work was completed in May 2001, and the structure was reopened to visitors. The tower continued to straighten without further excavation, until in May 2008 sensors showed that the motion had finally stopped, at a total improvement of 19 inches (48 cm). Engineers expected the tower to remain stable for at least 200 years.
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St. Peter’s Basilica, also called New St. Peter’s Basilica, present basilica of St. Peter in Vatican City (an enclave in Rome), begun by Pope Julius II in 1506 and completed in 1615 under Paul V. It is designed as a three-aisled Latin cross with a dome at the crossing, directly above the high altar, which covers the shrine of St. Peter the Apostle. The edifice—the church of the popes—is a major pilgrimage site. The idea of building the church was conceived by Pope Nicholas V (reigned 1447–55), who was prompted by the state in which he found Old St. Peter’s Basilica—walls leaning far out of the perpendicular and frescoes covered with dust. In 1452 Nicholas ordered Bernardo Rossellino to begin the construction of a new apse west of the old one, but the work stopped with Nicholas’s death. Paul II, however, entrusted the project to Giuliano da Sangallo (see Sangallo family)in 1470.
On April 18, 1506, Julius II laid the first stone for the new basilica. It was to be erected in the form of a Greek cross according to the plan of Donato Bramante. On Bramante’s death (1514) Leo X commissioned as his successors Raphael, Fra Giovanni Giocondo, and Giuliano da Sangallo, who modified the original Greek cross plan to a Latin cross with three aisles separated by pillars. The architects after Raphael’s death in 1520 were Antonio da Sangallo the Elder, Baldassarre Peruzzi, and Andrea Sansovino.
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