你认为 自由女神像 老照片显示了世界上最著名的景点之一在被氧化和污染影响之前的样子。
如同以下的解释 旅行者 雕像上覆盖着一层薄薄的铜，这是它原来的颜色，但多年来，纪念碑的结构已经生锈了。
1900年自由女神像的明信片。 照片：底特律摄影公司
铜的氧化过程是很常见的，当它暴露在氧气中时，会产生一个绿色的外壳。 多年来，这个外壳已经成为自由女神像的一部分，以至于几乎不可能想象它有任何其他颜色。
然而，其他化学元素的作用使雕像获得了这种颜色，正如Youtube频道发布的一个视频所解释的那样 反应 见下文，可选择葡萄牙语字幕。
See_also: Vagas Verdes "项目将汽车空间转变为圣保罗市中心的绿色微环境据估计，该纪念碑所经历的过程约为30年。 在这期间，雕像逐渐改变了颜色，直到形成了今天的色调。
重要的是要记住，氧化不会对结构造成损害。 所产生的层甚至有助于保护铜免受另一个过程：腐蚀。
See_also: 纹身将疤痕变成美丽和自爱的象征
1886年的自由女神像。 Jecinci的数码彩色照片
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