国家级非物质文化遗产代表性传承人张廷旭，戴着老花镜，拇指死死抵住刻刀，在坚硬的木质纹理间游走。刀锋过处，木屑卷起，线条流畅如水。
Backpressure: good in theory, broken in practice
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For him, it was an image that changed our world forever. He put his thumb against the window and the whole world disappeared behind it. It was the most moving experience of his life.
Google CEO Sundar Pichai in 2024.