北京到法兰克福要飞十个小时。在飞机这个有限的空间里，时间一长免不了懈怠、倦慵进而昏昏欲睡。当屏幕上显示已飞临德国上空时，精神为之一振。从窗口向下俯看，映入眼帘的不是我们熟悉的景象：星罗棋布的村庄、横方竖直的田畴、黄褐相间的山地。而是大片大片的绿。深郁的是 Beijing to Frankfurt to fly ten hours. In the limited space of an airplane, time lags behind, tired and drowsy. When the screen displays have been flying over Germany, the spirit of the vibration. Looked down from the window, greeted us not familiar scene: the village dotted, horizontal vertical fields, yellow and brown mountains. But large tracts of green. Deep is