唐卡色彩艳丽，
千年不褪的特质源于天然矿物颜料的使用。
The vivid colors of Thangka paintings endure for centuries,
thanks to the use of natural mineral pigments.
颜料的精磨需要整整7天，
而每家画院更有自己独有的颜料配比秘方，
牛骨胶的加入，让颜色更易保存，经年不变。
The pigments are meticulously ground
over the course of seven days.
Each atelier preserves its own unique formulas,
refined through generations.
The addition of natural hide glue enhances durability,
allowing the colors to remain vibrant
and unchanged for years to come.