Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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More than 25% of the world's forests are in Siberia.
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10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
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If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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