Fig. 1From: Learning from the past, intervening in the present: the role of conservation science in the challenging restoration of the wall painting Marriage at Cana by Luca Longhi (Ravenna, Italy)Marriage at Cana, Luca Longhi, 800 × 520 cm, sixteenth century. The picture highlights: biological sampling points (green squares); pictorial sampling points (red squares); biocidal trials (white squares)Back to article page