Vlacas12 t1_jdvnfii wrote
Reply to comment by Iron_Chic in TIL that the red lights on top of tall buildings in cities are called “aviation obstruction lighting,” and are used to help pilots of low-flying aircraft avoid collisions with otherwise hard-to-see structures. by bearjew64
No, they are the antennas to control them.
r/BirdsArentReal
Pika256 t1_jdx1kz0 wrote
I love being randomly reminded that sub exists.
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