Introduction

A child is in a shallow pond, unable to keep her head above water for more than a few seconds at a time. If you don't wade in and pull her out, she seems likely to drown. What about your shoes and being late for work? I ask them, they that aside. How could any one consider a pair of shoes or missing an hour or two at work a good reason for not saving a child's life? In two thousand 11, something resembling this hypothetical situation occurred in foshon, a city in southern china. A two year old girl named wang yua wandered away from her mother and into a small street where she was hit by a van