The micro-photography being done by Dr. Gary Greenberg shows how even grains of sand have unique characteristics and appearances, which leads me to think about how rare and irreplaceable each human being is across the sands of time.
The micro-photography being done by Dr. Gary Greenberg shows how even grains of sand have unique characteristics and appearances, which leads me to think about how rare and irreplaceable each human being is across the sands of time.
Out on a Limb 