The Japan Times - 2 天前查看原文
Tsukuba massif granite, one of the world’s few heritage stones
In 2024, the Tsukuba massif granite of the Mt. Tsukuba Area Geopark was certified by the International Union of Geological Sciences as one of the first 55 IUGS Heritage Stones, which have been “used in significant architecture and monuments” and “recognized as integral aspects of human culture.
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