30 Animals That Made Us Smarter

Imagine a building based on the shape of an egg – all thanks to the butterfly. Nature has long been a source of inspiration for the design of buildings, like the Sagrada Familia basilica in Barcelona. This is the story of a butterfly house inspired by the shape of the eggs of the White Royal butterfly and the patterns on their shells. www.bbcworldservice.com/30animals With Patrick Aryee. #30Animals