The Darien is one of the last great tropical wildernesses and it is thought that it houses several as yet undiscovered species of orchids.  
Despite the Darrien having many natural and man-made dangers orchid collectors risk life and limb to enter the Darien in search of what would be a life-changing discovery. 
Glenn has been into the Darien and as  well as talking generally about orchids in Panama he recounts the dangers of the Darien.

Glen Duggan Served in the Royal Navy for 28 years
During his career he visited over 50 countries and became interested in ornithology