Fig. 1

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)

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)