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Last Sunday, tens of thousands marched across the Sydney Harbor Bridge in support of Gaza. But exactly how many people were there depends on whom you ask. It's far from the first time crowd numbers ...
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How do scientists estimate crowd sizes at public events—and why are they often disputed?
Last Sunday, tens of thousands marched across the Sydney Harbor Bridge in support of Gaza. But exactly how many people were there depends on whom you ask. Subscribe to our newsletter for the latest ...
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