寒冬腊月里大雪纷飞,北风怒吼,万木凋零,一派萧瑟。凡北半球中高纬度地区的冬季大都是这样的景观。然而,当你来到同一纬度的美国依阿华州,会被那冬天里浓浓的绿色所陶醉……。 在寒风大雪中,依阿华州的道路两旁、空地和墙上处处翠绿。在皑皑白雪的映衬下象 Winter twilight snowfall, northern wind roar, Wan wood dying, blew faction. Where the northern hemisphere mid-high latitudes mostly in winter is such a landscape. However, when you come to Iowa in the United States at the same latitude, you are intoxicated by the thick green of that winter .... In the heavy snow, Iowa on both sides of the road, open space and walls everywhere green. Under the white snow