Light pollution: Parkour group saving energy by turning off city lights
A group of young men are using their gymnastic abilities to reduce the impact of light pollution in their hometown.
from BBC News - World https://ift.tt/3EKEI0S
from BBC News - World https://ift.tt/3EKEI0S
Light pollution: Parkour group saving energy by turning off city lights
![Light pollution: Parkour group saving energy by turning off city lights]()
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January 01, 2022
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