The baptistery is a stately rotunda.

这个洗礼堂是个宏伟的圆形建筑。

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The belief that the Baptistery originated as a Roman Temple of Mars persisted for centuries.

洗礼堂起源于作为战神马尔斯的罗马寺庙的信念持续了好几个世纪。

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The cathedral complex includes the church proper, the baptistery and the campanile (bell tower).

大教堂的参观区域包括严格意义上的教堂本身，八角洗礼堂，以及但丁钟楼。

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It was a Christian settlement in the 6th century, and its massive baptistery, one of the largest in the eastern Mediterranean after the baptistery of Hagia Sofia in Istanbul, still survives.

ECONOMIST: Mediterranean archaeology

It was the 1401 competition for the commission to produce the second set of Baptistery doors that marked the turning point.

WSJ: Review: The Flowering of the Florentine Renaissance | 'Springtime of the Renaissance: Sculpture and the Arts in Florence 1400�C1460,' at the Palazzo Strozzi in Florence

In 1401, when he was just 24, Brunelleschi had gone after another prominent commission--for a set of bronze doors for the 7th-century Baptistery of San Giovanni, a striking octagonal structure just west of the cathedral.

FORBES: Dome of the Brave