Beside the standard WW1 memorial is this chilling 1930s monument exhorting German people to die so that Germany may live. Instead of knocking it down, later governments prefaced it by a stone stating unequivocally that WW2 was a destructive war for which Germany is guilty. And then there are other memorials: one to victims of Nazis and the other to those who died in the Allied bombing campaigns. So a history lesson from the 20th century which makes its point unambiguously.
Perhaps the same should be done in Britain to face the discomfort at those monuments and buildings funded by the slave trade or brutal colonial exploitation.