The 3.7-kilometer-long ancient walls of Taiyuan county have been decorated with 141 groups of lanterns made by some 300 craftspeople who designed the Chinese lantern festiv美股道琼斯指数黄金走势最佳答案：人眼睛已经适应白天这种白色的太阳光，蓝色led发的蓝色光偏离太阳光太多，对眼睛肯定是有伤害，不过短时间没什么影响，若长时间就有影响啦！
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The 3.7-kilometer-long ancient walls of Taiyuan county have been decorated with 141 groups of lanterns made by some 300 craftspeople who designed the Chinese lantern festiv美股道琼斯指数黄金走势最佳答案：人眼睛已经适应白天这种白色的太阳光，蓝色led发的蓝色光偏离太阳光太多，对眼睛肯定是有伤害，不过短时间没什么影响，若长时间就有影响啦！