更主要的是環境汙染。石材表麵的汙漬可以打磨掉，我在歐洲就看見他們如此維護的，隻是花銷高。有了文化價值就好辦多了。

來源: 十具於 2023-07-04 04:13:22 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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