Publication for the Brussels and Rotterdam exhibition from 1973 of the Pol Bury 25 Tonnes de Colonnes project. Book is in excellent condition except the cover which has a wwhite spot. For the original see the picture inside the book. Book contaisnseveral foldout schematical drawings and is one of the most important for the oeuvre of Bury. Book measures 8.2 x 8.2 inches, contains 88 pages plus foldouts, text in Dutch and French, vg condition.