Actor James Cromwell protests from inside a crate during a PETA demonstration demanding Air France stop flying monkeys to laboratories, inside the Tom Bradley International Terminal at Los Angeles International Airport in Los Angeles, California April 28, 2014. The placards in French read: "Cruelty should not travel". REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT CIVIL UNREST POLITICS TRANSPORT) 

Crosses, placed by Igualdad Animal (Animal Equality) activists, depict a cemetery as a protest against the use of animals in experiments, in front of Barcelona's cathedral April 24, 2014. REUTERS/Albert Gea (SPAIN - Tags: CIVIL UNREST ANIMALS) 

An animal rights activist dressed as a rabbit invites people to sign a petition against companies that produce cosmetics that require animal testing, in the main square in Zagreb April 13, 2011. REUTERS/Nikola Solic (CROATIA - Tags: ANIMALS CIVIL UNREST SOCIETY BUSINESS) 

The feet of an animal rights activist are covered in fake blood during a protest against wearing fur and in favour of animal rights at Madrid's Puerta del Sol February 21, 2010. REUTERS/Susana Vera (SPAIN - Tags: CIVIL UNREST ANIMALS ENVIRONMENT)