how to approach and contemplate corpses

Visiting cemeteries is for the sake of seeing human death. Cemeteries in the past weren't like they are today. Unburied bodies were scattered all over the place — old bodies and new, scattered around like logs. When you saw them, you'd see clear evidence with your own eyes.
The Buddha gave instructions on how to visit a cemetery. Go from the upwind side, he said, not from the downwind side. Don't