Nature is big. Really big! The US National Weather Service revealed this image taken last Saturday showing a massive swarm of newly-hatched mayflies erupting from the Mississippi River near La Crosse, Wisconsin.
The swarm was captured using doppler radar, which is used to track the direction and velocity of distant objects (it's the same type of technology used by traffic police in speed guns). The National Weather Service says:
The bugs are showing up as bright pink, purple, and white colors along the Mississippi River mainly south of La Crosse, WI. After the bugs hatch off the water…
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