text: The name comes from this way: http://www.openstreetmap.org/way/72414066/history
  Looking to these pictures, it seems that this is some kind of art... http://www.bilderbuch-koeln.de/Fotos/bananenplatz_banane_blatt_platz_kreisel_s%C3%BCdstadt_bonnerstrasse_pflanze_136243
  Since I don't believe it isn't an official name, it would maybe better to put the name in some kind of touristical node.