Blowing ‘smoke’: Mount Etna puts on a show by emitting rare rings into the sky
Tourists in Italy have been treated to quite the show as Mount Etna, the largest active volcano in...
Read MoreTourists in Italy have been treated to quite the show as Mount Etna, the largest active volcano in...
Read MoreIn the depths of the Amazon, Brazil is building an otherworldly structure — a complex of towers...
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