Baby it's cold outside but if you're lucky enough to be in Paris right now there are plenty of things to do and see to warm the cockles of your heart. December is an enchanting time to visit, when the City of Light transforms into a magical winter wonderland and Christmas is just around the corner. Rug up, take an evening stroll through the streets and marvel at the Christmas trees that twinkle from apartment windows and foyers.  Grab a warm crêpe sprinked with lemon and sugar and soak up the festive atmosphere as you pass plush hotels - their doors and archways ...