Flying to the sun
本文作者： 21ST
LIGHTS out! Believe it or not, the American city of Chicago (芝加哥) is going to make its lights weaker for birds. Last week, Chicago became the first city in the US to join the "Lights Out" programme. By turning off the lights in the city's tallest buildings, thousands of birds are more likely to reach their winter homes. ... |  |
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