Explainer: Why did Mount Everest’s height change?

BEIJING (AP) — The world’s highest mountain is now officially a little higher, and that might not be the end of the story.

China and Nepal agreed this week on a new standard height for Mount Everest, the rugged Himalayan peak that straddles their border.

As definitive as that sounds, geological changes, the complicated business of measuring a mountain and varying criteria for determining the world’s highest peak will likely ensure the question isn’t settled for good.

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Photos: Mount Everest

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