Butterflies Are Released Into The Natural History Museum's Exhibtion

LONDON, ENGLAND - MARCH 31: Girls admire the butterflies as they are released into the Natural History Museum's 'Sensational Butterflies' outdoor butterfly house on March 31, 2014 in London, England. The temporary attraction on the East Lawn of the Natural History Museum houses hundreds of free-flying, rare butterflies and runs from April 3, 2014 until September 14, 2014. (Photo by Oli Scarff/Getty Images)