The popularity of exotic pets is exploding on social media. For #UntoldC4, reporter Nadeem Perera visits an animal sanctuary in Cornwall full of monkeys rescued from homes that can’t take care of them properly. #UntoldC4 for @channel4. Available now on Channel 4 Streaming and on the Channel 4 Documentaries YouTube Channel. #UntoldC4 #exoticpets #exoticpetowners #exoticanimals #marmosets #monkeys #marmoset