PUHStunnelit
PUHStunnelit refers to a network of tunnels located in Puhos, Helsinki, Finland. These tunnels were originally constructed during the Soviet era for strategic purposes, likely related to military logistics or civil defense. Their exact original function remains a subject of some speculation, though their scale suggests a significant undertaking.
Over time, the utilization of these tunnels has evolved. While some sections may still be used for
Access to most of the PUHStunnelit is restricted to authorized personnel due to safety and security concerns.