At the exhibition matemilano
The monument in the cemetery of Milan commemorating people incarcerated in the Nazi concentration camps has been reproduced in this photo with three mutually perpendicular mirrors.
Exhibit of matemilano, section "Symmetry".
© matematita
The image belongs to the sections...:
Quaternion group (Symmetry)
Objects (From the exhibitions of matematita)
Symmetry (From the exhibitions of matematita)
Further information:
http://matemilano.mat.unimi.it