In many places Alpine borders are defined by the watershed or ridgelines of glaciers
Border
Flow of water
Glacier
Switzerland
Italy
As glaciers shrink their ridgelines can move, shifting the border with them
New border
Shrunken
glacier
Switzerland
Italy
In many places Alpine borders are defined by the watershed or ridgelines of glaciers
Border
Flow of water
Glacier
Switzerland
Italy
As glaciers shrink their ridgelines can move, shifting the border with them
New border
Shrunken
glacier
Switzerland
Italy
In many places Alpine borders are defined by the watershed or ridgelines of glaciers
As glaciers shrink their ridgelines can move, shifting the border with them
Border
New border
Flow of water
Shrunken
glacier
Glacier
Switzerland
Italy
Switzerland
Italy