http://www.messynessychic.com/2015/05/26/the-real-no-go-zone-of-france-a-forbidden-no-mans-land-poisoned-by-war/
More than a century later, there are still large quarantined parts of the red zone where 99% of plant and animal species perish.
Clearing the red zone is an extremely dangerous job, and fatal casualties from gas shells are not uncommon amongst munitions removers.
Authorities estimate that if they continue working at the current rate, it could take anywhere from 300 to 700 years to complete.