Photos: Scientists trace a butterfly migration route that is millions of years old
Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest butterfly migration. In Constant Bloom, photographer Lucas Foglia documents the journey.


Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest butterfly migration. In Constant Bloom, photographer Lucas Foglia documents the journey.
(Image credit: Lucas Foglia)