Observation cupola on the defense work for the rail road.
Ventilation shaft for the generator.
The inpressive moat.
The turret for 2 x 120 mm gun is an elevated position. B-Nord.
B II has 2 Mg Maxim in cupolas and 2 Mg behind plates.
Seen from above.
BV has an entrance, a Mg behind a plate and a Mg cupola on top.
This is a "belgische poort". Als known as the guintet gate. It could be mounted in a chain. The rollers made transport easy.
This is a dummy cupola for the 120 mm guns.