Fort Rinella visitors this weekend will be taken 100 years back in time to World War I with a full-scale infantry trench at the Kalkara grounds. Organised by Fondazzjoni Wirt Artna and Bank of Valletta, the event will be held today and tomorrow from 10am and will close with the firing of the 100-ton gun at 5pm. A full-scale battle scene will be re-enacted at 2pm.