Charlie Hamilton-James is one of the world's leading nature photographers. He worked at the BBC NHU in Bristol and is now a National Geographic Photographer - one of the greatest of the 21st century. His talks on his adventures over the last 25 years are delivered to theatre audiences of up to three thousand in the US. His instagram account has to 245,000 followers (and he is a turn key contributor to the 100 million Nat Geo Instagram account, the largest corporate site on the app) and his posts gain likes into the tens of thousands. Charlie travels the world most of his time living in Wyoming and in Gloucestershire when he gets the chance.