March 25

Stella Ferruzola, 3, poses with a Blue Morpho butterfly on her nose at the Sensational Butterflies Exhibition at the Natural History Museum in London March 25, 2013. (Luke MacGregor/Reuters)

Stella Ferruzola, 3, poses with a Blue Morpho butterfly on her nose at the Sensational Butterflies Exhibition at the Natural History Museum in London March 25, 2013. (Luke MacGregor/Reuters)