Stratigraphic analysis

Seven samples:

AZ 1 upper-right corner, including original canvas;
AZ2 white next to the lagoon above the temple (not original colour)
AZ3 red from the lower area
AZ5 green from the lower area
AZ6 original white from the temple
AZ7 sky from the upper central area (with superimposition of the original colours)
AZ8 sky in the upper centre-right area (with superimposition of data)