> I guess they are just too much effort to get rid of.
To an extent - as we've seen in Ukraine, farmers know a thing or two about removing abandoned military hardware from their fields.
The costs of removing a pillbox were £40-£120 at the time (US$1572-US$4719 in 2023 $)
According to [1] after the war the military could either demolish the defences and restore the land, or they could pay compensation to the landowner. And as there was a lot of reconstruction to be done and a shortage of labour, paying compensation was often the preferred option.
To an extent - as we've seen in Ukraine, farmers know a thing or two about removing abandoned military hardware from their fields.
The costs of removing a pillbox were £40-£120 at the time (US$1572-US$4719 in 2023 $)
According to [1] after the war the military could either demolish the defences and restore the land, or they could pay compensation to the landowner. And as there was a lot of reconstruction to be done and a shortage of labour, paying compensation was often the preferred option.
[1] https://chriskolonko.wordpress.com/2021/11/19/pillbox-myth-4...