ÇANAKKALE Fifty unexploded artillery shells , thought to be from the Dardanelles Campaign of World War I, have been discovered during sewage renovations in the northwestern province of Çanakkale 's Gallipoli district. Following notifications from workers at the site, police and gendarmerie units arrived and cordoned off the excavation area. Subsequently, the workers carefully retrieved the artillery shells from the ground in a controlled manner. The recently unearthed artillery shells will be