Arrays of pebbles scattered randomly and
insignificantly alongside the shoreline of the river
Switzerland, caught also Haller’s attention.
The smoothly ground stones revealed a display of
white lines which maintained a sharp contrast to their grey coloured
The line pattern were curved and circular, the designs extraordinary, elegant and exquisite.
interpreted these rounded lines to be a sign language accounting for a long
journey down waterways the Stroppel's shores.
The interpretation of the stonegraphic concept is rather unconventional and
abstract. Haller used the spectrum colours, from yellow to red to blue to green,
as background to symbolically point to the light condition in the
environment of the stones. The white stone lines were interpreted with simply white paper
and laid onto the coloured base sheets.
Haller ignored the shape of the stones altogether.
As in his earlier work he looked for simplification