Bedmap3 is the most fine-grain map to date of the landscape beneath Antarctica's ice. Scientists created it using more than 60 years' worth of data from satellites, ships and dog-drawn sleds.

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And it’s totally free to download online. In 2020 Helen Ilus created the London Greenground Map, which showed all of the city’s parks. In 2024 she released its third edition, featuring all of ...