YPRES, BELGIUM - JULY 31: Prince Charles, Prince of Wales lays a wreath during a visit to Artillery Wood Cemetery, which includes the graves of poets Hedd Wyn, Francis Ledwidge and where many of the Welsh soldiers who lost their lives during the Battle of Passchendaele are buried on July 31, 2017 in Ypres, Belgium. The commemorations mark the centenary of Passchendaele - The Third Battle of Ypres. (Photo by Chris Jackson/Getty Images)
