FRANKFURT, GERMANY - NOVEMBER 26:  Heart-shaped biscuits on sale at the Christmas market on its opening day on November 26, 2012 in Frankfurt, Germany. Christmas markets, with their stalls selling mulled wine, Christmas tree decorations and other delights, are an integral part of German Christmas tradition, and many of them opened across Germany today. Photo: Hannelore Foerster, Getty Images / 2012 Getty Images