For over half-a-century, the Nasa and US Geological Survey's Landsat program has documented changes to the Earth's surface, making it the lo

Earth's transformation in satellite images

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2024-04-22 16:00:42

For over half-a-century, the Nasa and US Geological Survey's Landsat program has documented changes to the Earth's surface, making it the longest continuous space-based record of our planet's land ever.

700 years after his death, Marco Polo's travellogue is full of wonder but also 'hard to believe' in some parts.

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