In France and Belgium, they dig up something like 900 tons on WWI munitions per year. At this pace they estimate that they're done in another 300-700 years. And

In France and Belgium, they dig up something like 900 tons on WWI munitions per year. At this pace they estimate that they're done in another 300-700 years. And the decomposing shells leach nasty stuff like mercury and arsenic, poisoning the soil. https://www.messynessychic.com/2015/05/26/the-real-no-go-zone-of-france-a-forbidden-no-mans-land-poisoned-by-war/ https://www.messynessychic.com/2015/05/26/the-real-no-go-zon...