我们小时候常常用镜子玩反射阳光的游戏:把一面镜子放在太阳底下对着别人,别人会感受到刺目的阳光。或许我们那时没有想到,这样一个简单的游戏中蕴含着一定的科学道理,可以解决人们在冬季缺少阳光的困扰。奥地利西部一座山城拉腾伯格由于地形因素,当地居民每年有4个月都看不到 When we were young, we often used mirrors to play the game of reflecting sunlight: putting a mirror in front of the sun against others and others would feel the glaring sunshine. Perhaps we did not think of it at that time. Such a simple game contains certain scientific principles that can solve the problem of people lacking sunlight in winter. Lattenberg, a mountain town in western Austria, is not visible to the local population for four months a year because of the terrain