by farmers are carefully placed around field edges or in gaps in telegraph poles, where they are regularly collected by the Belgian army for disposal by controlled explosion at a specialist center in Poelkapelle. The depot was built after ocean dumping of shells stopped in 1980. Once extracted by the army, any gas chemicals are burned and destroyed at high temperatures at specialized facilities and the explosives detonated. See also Bomb Harvest Zone Rouge References Further reading Webster, D Aftermath: The Remnants of War Vintage Books 1999. External links Rob Ruggenberg, The Abomination of Houthulst Rob Ruggenberg, Death Waits Patiently on a Belgian Beach Photo of the iron harvest Another photo of the iron harvest Western Front (World War I) Aftermath of World War I