B/ON-0300 KW-Linie - Bunker VD13

A World War II-era bunker located near Kallo, Antwerp Province, Belgium. This structure is part of the KW-Linie (Koningshooikt-Wavre Line), a defensive fortification system built by the Belgian military in the 1930s and later utilized during the German occupation. The KW-Linie was designed to protect the approaches to Antwerp and included a series of bunkers, anti-tank obstacles, and artillery positions.