Guardian of Integrity: The Story of Alain Medina and his Fight against Corruption in the Tariquia National Reserve, Bolivia

Park rangers do not get much sleep. 

No one knows this better than Alain Medina, 34 years old, father of two children, who became a park ranger at the Tariquia National Flora and Fauna Reserve for SERNAP - the National Service of Protected Areas in Bolivia - four years ago. 

"Many times, we see the dawn before sunrise, without sleeping at all.