 Even in countries where no "Stolpersteine" are installed, such as the United Kingdom and the United States, the decentralized monument of the "Stolpersteine" has attracted media attention.In special cases, Demnig also installs his so-called ""Stolperschwellen"" ("stumbling thresholds"), measuring , which serve to commemorate entire groups of victims, where there are too many individuals to remember at one single place.The text usually starts with the words