Britain has quite a few parks and streets designed for walking. Those are very valuable commodities in the USA. And, as others have pointed out, much of the US

Britain has quite a few parks and streets designed for walking. Those are very valuable commodities in the USA. And, as others have pointed out, much of the USA is really cold in the winter. Here's an article about Britain's "record cold" from earlier this winter. (As low as -11C in parts of Scotland!) http://www.timesonline.co.uk/tol/news/weather/article5459012.ece http://www.timesonline.co.uk/tol/news/weather/article5459012... Here's a map of Minnesota's mean winter temperatures. Note that the mean temperature in the southern-middle part of the state, where Minneapolis and the Mall of America are, is around 14 degrees F, or about -10 C. http://climate.umn.edu/img/normals/mean_temp_norm_adj/mean_temp_norm_adj_12-02.htm http://climate.umn.edu/img/normals/mean_temp_norm_adj/mean_t...