M3 (Rivet Pv)

M3 (Rivet Pv) is a Swedish military bunker located near the coastal area of southern Sweden. Built during the Cold War era, this structure was part of Sweden's extensive civil defense network designed to protect against potential nuclear threats. The bunker represents the country's strategic preparedness during a period of heightened global tensions, when Sweden maintained a policy of neutrality while preparing for various military contingencies.