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An old couple takes part during the demonstration.All over the Netherlands, the public warning sirens are tested at exactly 12.00 noon on the first Monday of every month. For the second time,
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![Nijmegen, Netherlands. 01st Feb, 2021. An XR activist seen holding XR flag during the air alarm.All over the Netherlands, the public warning sirens are tested at exactly 12.00 noon on the first Nijmegen, Netherlands. 01st Feb, 2021. An XR activist seen holding XR flag during the air alarm.All over the Netherlands, the public warning sirens are tested at exactly 12.00 noon on the first](https://c8.alamy.com/comp/2E8X1N5/nijmegen-netherlands-01st-feb-2021-an-xr-activist-seen-holding-xr-flag-during-the-air-alarmall-over-the-netherlands-the-public-warning-sirens-are-tested-at-exactly-1200-noon-on-the-first-monday-of-every-month-during-the-air-alarm-in-front-of-the-city-council-a-die-in-action-was-carried-out-by-xr-nederland-to-emphasize-that-a-climate-crisis-is-not-a-drill-but-an-actual-emergency-with-this-recreation-of-an-emergency-situation-extinction-rebellion-wanted-to-draw-attention-to-the-ecological-crisis-credit-sopa-images-limitedalamy-live-news-2E8X1N5.jpg)