Figure 1.
The image displays a map of Italy illustrated with regional variations using a gradient of pink and purple shades. The darkest shades are located in northern regions of the country, while lighter shades appear towards the southern regions. There are notable areas in dark pink in the south east. The outline of mainland Italy and the islands of Sardinia and Sicily are visible, with each region distinctly marked by its colour intensity suggesting a range of values or data.Region heatmap. Observation per regions