Madrid, 1981 - Photograph SIT employees finish placing the 'rolling bridge' in the Casón del Buen Retiro
Madrid, 1981 - Photograph SIT operators place the wooden stretcher on the Guernica canvas in the Casón del Buen Retiro
Madrid, 1981 - Photograph The finishing touches to positioning Guernica from the back in the Casón del Buen Retiro
Madrid, 1981 - Photograph Metal structure without either glass or the painting, with restorers, operators from the SIT transport company and the Guardia Civil (Spain's Military Police) in the Casón del Buen Retiro