Martin Broen is an inventor, industrial designer, diver and photographer. He joins us to discuss his amazing photography in his new book Light In The Underworld available from Rizzoli. Who knew there were underwater rivers and cave collections spanning over 200km?! Martin talks about the process...

Today’s guest Paula Pastrana found her way to photography through an unusual route… from professional soccer to documenting strikes and political protest in her native Colombia.  Paula studied Photography and Digital Image with a different eye.  Her experience with sports and desire to remain...