They call themselves "the Butterflies."
And that's not just wishful thinking.
When Gloria Amparo, Maritza Asprilla Cruz and Mery Medina sweep into NPR's bureau in central London, they are indeed as beautiful as butterflies: bright clothing, big beaming smiles. They look around in wonder at the newsroom spread out before them, laughing and joking as I make them a cup of tea.
Yet these are women who've led tough lives — born into Colombian society, where violence and abuse are commonplace.