NEWYou can now listen to Fox News articles! Construction workers in Belgium discovered $10.4 million in gold this week while building a new sewer beneath a former brewery, according to local police. Police in Sint-Gillis-Dendermonde, a Flemish community on the outskirts of Brussels, said workers contacted them immediately to inform them of the find, which officers cataloged and then placed in a “high-security federal government vault.” An 18-year-old worker at the site called Kobe told VRT News that he initially thought the gold pieces were worth 1 euro. “Our first reaction was actually disbelief, surprise. Of course, we didn’t expect to find gold,” Kobe said, adding that workers had to remove a piece of foundation to lay the sewer pipe. TREASURE HUNTERS MAKE GOLD AFTER YEARS OF DISAPPOINTMENT TO FIND IT WORTH A FORTUNE Construction workers in Belgium discovered $10.4 million in gold this week while building a new sewer beneath an old brewery, according to local police. (Lokale Politie Dendermonde/Facebook) “When we did it, we suddenly saw something lying around,” he said. Project leader Mario said it was a “crazy feeling.” “They shouted, ‘We found gold,'” he told the media of his workers. “I went searching and took the gold in my hands. We continued unearthing new coins and bars. Only then did what we had found really emerge.” He called his boss and then the police. Police in Sint-Gillis-Dendermonde, a Flemish community on the outskirts of Brussels, said workers immediately contacted them about the find, which officers cataloged and then placed in a “federal government high-security vault.” (Lokale Politie Dendermonde/Facebook) Construction workers don’t really keep the gold. Under Belgian law, the rightful owner has the right to reclaim the gold within five years. When asked if it had crossed his mind to keep it, Mario told VRT: “It involves so many coins and bars that it would hardly be possible. Plus, it would also be a theft.” fee. “That would be nice.” Police catalog gold found in Belgium. (Lokale Politie Dendermonde/Facebook) The building is owned by an organization that provides social support to the Flemish community. The organization’s director said he hoped the gold could be used to help with the “enormous need we experience daily,” according to the BBC. CLICK HERE TO DOWNLOAD THE FOX NEWS APP Local police warned treasure hunters not to visit the site, saying it is a fenced construction site with “several dangerous pits” and that all the gold has been removed. The police added: “We hope that this treasure ends up in the right hands and that this unexpected discovery will positively change many lives.” Brie Stimson is a Los Angeles-based breaking news and entertainment writer for Fox News Digital.