Хятадаас ирсэн цагаан элсэн чулуу
White sandstone is a kind of natural stone with no light pollution and no radiation. It has no radioactive damage to human body.It is moisture-proof, antiskid, sound absorption, absorbable, tasteless, no radiation, no fading, warm winter and cool in summer, warm and elegant,Not cracking, non deforming, rotting, and fading compared with wood.According to the …