Zuiderzeewerken: Bouw van een schutsluis (links) en uitwateringssluizen nabij Den Oever 10 sept. 1928 Possibly 1928 - 1929

This aerial photograph, taken by the Fototechnische Dienst K.L.M. in 1928 or 1929, captures the construction of the Zuiderzeewerken, a massive Dutch engineering project. The image focuses on the construction of a lock (left) and drainage sluices near Den Oever, showcasing the intricate details of the project. The photograph serves as a valuable historical document of the engineering marvel that transformed the Zuiderzee into a freshwater lake, creating new land and protecting the Netherlands from flooding.