The ADGB Trade Union School in Bernau bei Berlin is a remarkable example of functionalist architecture from the early 20th century. Designed by Hannes Meyer and Hans Wittwer, this complex served as a training center for the General German Trade Union Federation. Its construction spanned from 1928 to 1930, reflecting the Bauhaus movement's principles of form following function. The school's design emphasized practicality and simplicity, catering to the specific needs of its users. In 2017, it was recognized as a UNESCO World Heritage Site, highlighting its historical and architectural significance.