Giants’ pots trail
Viewing the giants’ pots is like looking back into the past of the Earth.
It is difficult to say whether the appeal of the pots is due to their circular shape or to the perfection with they have been smoothed over time. Be that as it may, they are certainly truly fascinating.
To find the origin of the phenomenon it is necessary to go back in time by about one and a half million years to reach the quaternary period. The glaciations that followed, the latest of which was named Wurm, shaped the valley of Poschiavo.