But the 13-tonne (13,000kg) stone monument that dwarfs the nearby gravestones is now causing controversy - and embarrassment. "I live maybe 500 metres from the cemetery where this stone is, and I walked past that stone probably a hundred times, and I never realised that it is of course a Nazi stone. "Jon Pult agrees that Switzerland should "create a memorial" out of the monument "to remember the horrific crimes of the Nazis"