The discovery of remains of First and Second World War casualties remains a common occurrence with approximately 30 bodies discovered annually . For example , in 2006 eight bodies of Canadian soldiers from the 78th Battalion ( Winnipeg Grenadiers ) , CEF were discovered in a backyard in Hallu , France . In April 2013 , the remains of four British soldiers discovered by a French farmer clearing land with metal detector in 2009 were re @-@ interred at H.A.C. Cemetery near Arras , France . In March 2014 , the remains of 20 Commonwealth and 30 German soldiers were discovered in Vendin @-@ le @-@ Vieil , France with the Commonwealth soldiers being subsequently reburied at Loos British Cemetery .