Mandatory Credit: Photo by Nils Jorgensen/REX/Shutterstock (5768130e) Bird diorama Natural History Museum Colour and Vision exhibition photocall, London, UK - 13 Jul 2016 Over 350 rarely seen specimens from the Museum's collection including nature's finest examples of structural colour and iridescence, a selection of eyeballs from the National Eye Collection and the first creatures to develop image forming eyes over 565 million years ago.