When I owned my first pair of ballet pumps ("ballerinas" in Spanish) I always assumed they came from France. Perhaps because about 25 years ago the only place to buy them in the UK was from a shop called 'French Sole'; hence my ignorance was born.YSL's offerings for 2011However since living in Spain, I now realise that this is a shoe that originated in Spain as far back as 1918 and has been a...