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Machu Picchu Explained: The Inca Citadel in the Clouds
Hidden in the Andes for 400 years, Machu Picchu is the world's most famous ruin. We explain what it was, how it…
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The Amazon Rainforest Explained: Why the World’s Largest Forest Matters to Everyone
The Amazon holds a tenth of the world's species and shapes the planet's climate. This explainer shows why the rainforest matters and…
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The Great Wall of China: A Traveller’s Guide to the World’s Longest Fortification
21,000 kilometres of wall, 2,000 years of history: our traveller's guide to the Great Wall of China, from Badaling's crowds to wild…
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The Arctic Explained: Melting Ice, New Shipping Routes and Great-Power Rivalry
The Arctic melts four times faster than the planet, opening shipping routes and a new rivalry. This explainer covers the ice, resources…
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Petra Explained: Jordan’s Rose-Red City Carved in Stone
Lost to the West for 1,000 years, Petra's Treasury is one of the world's great sights. We explain the Nabataean city carved…
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The Paris Climate Agreement Explained: What Countries Promised and What’s Missing
The Paris Agreement got 196 countries to promise climate action. This explainer covers what was promised, what's been delivered, and the gaps…
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Angkor Wat Explained: The World’s Largest Religious Monument
Covering 400 acres in the Cambodian jungle, Angkor Wat is the largest religious monument on Earth. We explain the Khmer empire that…
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COP Climate Summits Explained: How the World’s Biggest Climate Talks Work
COP summits are the world's biggest climate talks. This explainer shows how 190-plus nations negotiate, what COPs achieved and why they frustrate.
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The Northern Lights Explained: Where and When to See the Aurora
Dancing curtains of green fire in the polar sky: we explain the science of the northern lights and where and when to…
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Coral Reefs Explained: Why the Ocean’s Rainforests Are Bleaching
Coral reefs support a quarter of marine life but are bleaching as oceans warm. This explainer shows why reefs matter, what kills…