WW1 sites visited by Newsround's Ricky in Ypres, BelgiumPublished1 August 2014Image caption, The In Flanders Fields Museum in Ypres, Belgium, presents the story of the First World War in the West Flanders front region. The museum presents the war story as a universal message of peace. It was once the largest building that wasn’t a cathedral in the world.Image caption, This trench was used in WW1 in the Battle of the Somme. It was one of the war's most famous battles and, sadly, it's most bloodiest too. More than one million soldiers from Britain, France and Germany were killed, wounded or went missing.Image caption, Tyne Cot Cemetery is the resting place for 11,954 soldiers from the Commonwealth Forces. It is the largest number of burials contained in any Commonwealth cemetery of either the First or Second World War.Image caption, Newsround's Ricky tells you the story of the war from the last resting place of many heroes that lost their lives.Image caption, The tactic of 'tunnelling' was used by soldiers who dug beneath enemy trenches and packed it with explosives. Lochnager crater was the end result of this, and the explosion was heard as far away as London.Image caption, The Menin Gate Memorial is one of four British and Commonwealth memorials dedicated to the missing in Belgian Flanders. It bears the names of 54,389 officers and men from United Kingdom and Commonwealth Forces who fell in the Ypres Salient before 16th August 1917 and who have no known grave.Image caption, Matthew, here with Ricky, lost his great great grandfather in WW1. He came with his school to find out a bit more about his long-lost ancestor and find his name on Menin Gate Memorial.Image caption, This is a recreated trench at Vimy Ridge. Britain and France were unable to take this ground from the Germans.Image caption, Many men lost their lives at Vimy Ridge. There were heavy losses, until Canada threw its entire army at the Germans and took the ridge in one day in April 1917.Image caption, A memorial to the men who gave their lives in the war at Vimy Ridge.Image caption, In the British trench at Sanctuary Wood, the Germans used flamethrowers for the first time in warfare.Image caption, Thousands of people visit trenches and cemeteries throughout France and Belgium where the battles took place, including school groups who come to find out more about the Great War.