Open this photo in gallery: Australian soldiers march between graves prior to a reburial service for two unidentified Australian and one British World War I soldiers at Tyne Cot cemetery in Zonnebeke, Belgium, on Nov. 6, 2018.Virginia Mayo/The Associated Press With war ravaging Europe’s heartland again, the countless headstones, cemeteries and memorials from the First World War are a timeless testimony to its cruelty. Belgium and France want them recognized as UNESCO World Heritage sites to make sure people stop and think. They bring pause and introspection to just about everyone visiting the sites dotted along the former battle lines...