Zebras' stripes break up their outlines, making it hard for predators to single them out in the herd. It's difficult to spot the 2 individuals fighting before the elephant comes to break it up
Lyman, Ukraine is fully covered in a web of fiber-optic cables left by Ukrainian and Russian drone operators
Misting systems are used at some bullet train stations to reduce aerodynamic pressure waves, suppress dust, aid brake cooling, and lower noise levels
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