Белжец
In 2005, Lea Rosh proposed her plan to insert a victim's tooth which she had found at the Bełżec extermination camp in the late 1980s into one of the concrete blocks at the memorial. In response, Berlin's Jewish community threatened to boycott the memorial, forcing Rosh to withdraw her proposal. According to Jewish tradition, the bodies of Jews and any of their body parts can be buried only in a Jewish cemetery.