Copenhagen has much milder summers than both of the cities I've lived long-term (Sydney and Pittsburgh, PA) and considerably milder winters than Pittsburgh (and

Copenhagen has much milder summers than both of the cities I've lived long-term (Sydney and Pittsburgh, PA) and considerably milder winters than Pittsburgh (and is far flatter). The thought of hopping on a bike in the Pittsburgh winter, with hilly, iced-over roads sounds at best something for the young and extremely able, or possibly the suicidal.