Dấu vết thời gian: Một cuộc khám phá khoa học về sự thay đổi màu sắc của đá cẩm thạch
Marble, this ancient building material, records the changes of the earth with its unique color and texture. Marble will nevertheless also undergo age and color changes with time. Every trace of this technique marks time, much as marble tells its own tale. This article will take you into the world of marble, explore its color changes and aging process, and how we understand and protect this natural wonder. 1. The


