'Dust devil' spins through London park
A small whirlwind known as a dust devil was captured on video swirling through a park in Greenwich, London. The phenomenon caused minor alarm among picnickers but is a natural occurrence on warm, sunny days.
Why it matters
It highlights how localized weather phenomena can cause public concern and provides a brief educational moment regarding meteorological events.
'Dust devil' spins through London park Close Footage captured in Greenwich park, south-east London, showed a small whirlwind, or dust devil, swirling around people on Sunday.
People were seen getting up from their picnics and screaming as the whirlwind moved through the park.
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