These are IR pictures in false colors. The coordinates of the shooting spot are shown in the zoomified pages (just click on the pictures) so you can go on Google Earth and figure out where these pictures were actually taken.

Coston  #1, Italian Alps - 34094 x 15590 pixels

Ridnaunthal #1, Italian Alps  - 39352 x 14728 pixels

Coston #8, Italian Alps - 48387 x 17267 pixels

Payer #3, Italian Alps - 59546 x 17590 pixels

Orso #6, Italian Alps  - 39658 x 16276 pixels