Yin Yang Sand/Rock GardenSALE! This yin yang doubles as an incense burner,you can practice mindfulness with this when taking the sand. In Chinese philosophy, yin and yang (also yinyang or yin yang, ynyng "darkbright") describe how seemingly opposite or contrary forces may actually be complementary, interconnected, and interdependent in the natural world, and how they may give rise to each other as they interrelate to one another. Thank you for shopping small with me.