This was due to the IGA (International Garden exposition) 1963 in Hamburg and parts of the park Planten un Blomen was constructed at the site. (The site is today used by the northern entrance of the U Bahn-station St.
The site where the northern entrance of the U-Bahn station St. is located was originally part of the area designated for the International Garden Exposition in Hamburg in 1963, and a portion of the park Planten un Blomen was built there.