A pangolin is released into the wild by officials at a conservation forest in Indonesia in 2013. The animal was among 128 pangolins confiscated by customs officers from a smuggler's boat off Sumatra. Jefri Tarigan/AP hide caption

itoggle caption Jefri Tarigan/AP

In this image taken from a November 2012 video, Cecil the lion is shown in Hwange National Park in Zimbabwe. Paula French via AP hide caption

itoggle caption Paula French via AP

A farmer stands near a field in South Hwanghae, North Korea. Wong Maye-E/AP hide caption

itoggle caption Wong Maye-E/AP

Shoppers make their way in a Tehran bazaar. Once international sanctions are lifted, $100 billion from Iranian oil sales will be released from escrow accounts. Vahid Salemi/AP hide caption

itoggle caption Vahid Salemi/AP