Inside the amazing cave city that housed 25,000 Allied troops under German noses in WWIBy ROBERT HARDMAN - More by this author » Last updated at 11:53am on 15th March 2008 The wax is still melted on to the chalk pillar which served as an Easter Sunday altar for the men of the Suffolk Regiment more than 90 years ago. Old helmets are scattered around the floor. A heap of cans, including a tin of Turnwrights Toffee Delight, lies alongside a collection of old stone jars - flagons of rum, perhaps, to numb the fear of the battle ahead....