Authorities review footage of individuals exiting an urban drain. Night sightings late-hour activities are reported as several observations. No unclear cause is given though the site lies near core district location. The clip shows repeated use of the sewer and citizens accessing the underground network individuals entering the drainage. These events happen on several nights, during the recent period the recent days. Video captured film recorded shows recording displays several people emerging from a sewer. Investigators authorities review video and the zone appears near a major hub the zone near main hub. Media attention persists citizens keep watching while the phenomenon continues the activity carries on. Investigators seek answers authorities look for explanations and public safety concerns grow worry about urban hazards.