No matter how much you know before you get there, the poverty you will witness on your first trip to India will still shock you to the core. So many people live on the city streets that there are entire runs of pavement which have become temporary homes, and every sheltered area such as a flyover or an underpass is occupied by families. This photograph captures a typical scene, and the very fact that it is typical, is itself shocking. Multiple families live here, on an active railway line, running for cover as each packed train rumbles through, right in the heart of Kolkata, just yards from 5 star hotels…