Builders unearth €9m gold loot sealed in walls of Belgian property BBCConstruction Workers Dig Up Mysterious $10M Gold Stash While Working on Sewer System People.com€9m treasure trove found by construction workers: ‘I thought they were €1 coins’ VRTWorkers find €9m gold haul at construction site in Belgium ArmenpressMore Than 40 Gold Bars and 4,000 Old Coins Found Hidden in a Cellar Wall in Belgium Arkeonews