Cover of Casabella, N. 563, December 1989, 20th Century, graphic, 31 x 28 cm

Whole artwork view. On a white background, stand out a red headline above a horizontal picture and the table of contents, in black with red underlines; the picture is an eighteenth century Coloured print representing a section of a coal mine in the Emscher region, drawn from the Chronik des Ruhrgebiets (Bodo Harenberg, Dortmund 1987); in the upper flank are drawn the chimneys and the plant facilities of the surface, while the remainder is occupied by the subsoil, in which are emphasized the dark coal seams; the coal is extracted with long tube deeply stuck in the ground. Arnoldo Mondadori Editore, Milan, Italy