The cold of winter smells different than the heat of summer. Once the thermometer drops below 10* C, the scents of the city are amplified, and your brain starts separating the mulled wine from the fresh pastry; the cars from the train rubber. There is also the London factor. London is a unique phenomenon, it lives in its own pace, under its own rules, creating its own culture. And there is nothing quite as magical as London in the festive season.