Light pollution, right? From street lights and stuff ...
Yes, especially unshielded street lights,
you know, ones that aren't pointed downward.
Now, here's an irony,........
我看不懂教授的幽默...
可以幫我解釋一下嗎?
感謝回答
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Yes, especially unshielded street lights,
you know, ones that aren't pointed downward.
Now, here's an irony,........
我看不懂教授的幽默...
可以幫我解釋一下嗎?
感謝回答
--
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