Hitlers U-Boot-Fabrik - Bunker Valentin
Directed by Kathrin Schwiering43m[Documentary](/on-demand/category/documentary), [Short](/on-demand/category/short)
A concrete giant: In 1943 construction of the new submarine shipyard "Valentin" began in Bremen-Farge. It was one of the biggest defense projects of the Third Reich and cost the lives of thousands of forced laborers.