In this series Dr Sian Williams talks to people who have lived through extraordinary events that have set their lives on an entirely different course.This podcast is all about the human experience, how people deal with obstacles that turn their lives upside down. The journeys are not always straightforward and there are often some remarkable discoveries along the way.Would you like to appear on the podcast? Do you have an extraordinary story to tell? We'd love to hear from you: lifechanging@bbc.co.uk