Iranian activists set up a display on the Trafalgar Square in London, UK. To show the oppression and terror to the British public what is happening back in Iran. Activists wants the President of the United States, Donald Trump to intervene to the situation in Iran and replace the Supreme Leader of Iran, Ayatollah Ali Khamenei and his regime by the Crown Prince of Iran, Reza Pahlavi who lives in exile at the United States.