Stolperstein

These plaques were outside The Salvation Army Homeless Shelter in Utrecht. Before WW2 the building was a Jewish Kindergarten. The plaques commemorate the 70 children and 10 Adults that were deported to the concentration camps.

The meaning of Stolperstein is in the following link:
https://en.m.wikipedia.org/wiki/Stolperstein

Extra: a flower on The Judas Tree, Utrecht