Mysterious Manhole Incidents in New York City: Urban Explorers, Treasure Hunters, or Something More Sinister?In late May 2026, surveillance videos from Brooklyn and Queens neighborhoods captured groups of people—often described as equipped with flashlights, waders, gloves, and other gear—entering and exiting city manholes in the dead of night. They would disappear underground for hours before reemerging, sometimes changing clothes near parked vehicles and driving off. The footage quickly spread