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The Pisa Baptistry of St. John ((イタリア語:Battistero di San Giovanni)) is a Roman Catholic ecclesiastical building in Pisa, Italy. Construction started in 1152 to replace an older baptistry, and when it was completed in 1363, it became the second building, in chronological order, in the Piazza dei Miracoli, near the Duomo di Pisa and the cathedral's free-standing campanile, the famous Leaning Tower of Pisa. The baptistry was designed by Diotisalvi, whose signature can be read on two pillars inside the building, with the date 1153.〔In the medieval Pisan calendar, 1153 corresponded to 1152.〕 ==Description== The largest baptistry in Italy, it is 54.86 m high, with a diameter of 34.13 m. The Pisa Baptistry is an example of the transition from the Romanesque style to the Gothic style: the lower section is in the Romanesque style, with rounded arches, while the upper sections are in the Gothic style, with pointed arches. The Baptistry is constructed of marble, as is common in Italian architecture. The portal, facing the facade of the cathedral, is flanked by two classical columns, while the inner jambs are executed in Byzantine style. The lintel is divided in two tiers. The lower one depicts several episodes in the life of St. John the Baptist, while the upper one shows Christ between the Madonna and St John the Baptist, flanked by angels and the evangelists. The interior is overwhelming and lacks decoration. The octagonal font at the centre dates from 1246 and was made by Guido Bigarelli da Como. The bronze sculpture of St. John the Baptist at the centre of the font, is a work by Italo Griselli. The pulpit was sculpted between 1255-1260 by Nicola Pisano, father of Giovanni, the artist who produced the pulpit in the Duomo. The scenes on the pulpit, and especially the classical form of the nude Hercules, show Nicola Pisano's qualities as the most important precursor of Italian Renaissance sculpture by reinstating antique representations: surveys of the Italian Renaissance often begin with the year 1260, the year that Nicola Pisano dated this pulpit. Constructed on the same unstable sand as the tower and cathedral, the Baptistry leans 0.6 degrees toward the cathedral. Originally the shape of the Baptistry, according to the project by Diotisalvi, was different. It was perhaps similar to the church of Holy Sepulchre in Pisa, with its pyramidal roof. After the death of the architect, Nicola Pisano continued the work, changing the style to the more modern Gothic one. Also an external roof was added giving the shape of a cupola. As a side effect of the two roofs, the pyramidal inner one and the domed external one, the interior is acoustically perfect,〔(Article about acoustics in the baptistery (in Italian) )〕 making of that space a resonating chamber. File:CampodeiMiracoliPisa.jpg|Baptistry with Pisa Cathedral and Tower File:Interior of the Baptistry of St. John dome, Piazza dei Miracoli (-Square of Miracles-), Pisa, Tuscany, Central Italy-2.jpg|Baptistry columns File:Interior of the Baptistry of St. John dome, Piazza dei Miracoli (-Square of Miracles-), Pisa, Tuscany, Central Italy-3.jpg|Baptistry dome File:Pisa.Baptistery.font01.jpg|Baptistry font File:Toscana Pisa7 tango7174.jpg|Baptistry interior 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pisa Baptistry」の詳細全文を読む スポンサード リンク
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