All eyes this month have of course been on Rio's handling of the Summer Olympics. But this town's used to handling big events, and there's also nothing quite like the massive Carnaval in Rio de Janeiro – the over-the-top extravagance; hundreds of thousands of raucous Brazilians thronging the streets and the Sambodrome; and of course the joyously deafening samba music and dancing that helps give shape to it all. Not all of us can be so fortunate to be flying down to Rio that week in February (i
