© Licensed to London News Pictures. 25/03/2013. London, UK. Stella Ferruzola aged 3 looks at butterflies that have settled on his face. Children play with butterflies at the Natural History Museum's new exhibition "Sensational Butterflies" which runs from 29th March to 15th September 2013. The exhibition features over 500 tropical butterflies and a chance to watch butterflies emerge from chrysalises trough a hatchery window. Photo credit : Stephen Simpson/LNP