February 27, 2023, London, United Kingdom: A protester holds a picture of Reza Shah, grandfather of Reza Pahlavi, during the demonstration. Protesters staged a rally in Parliament Square against the current Iranian regime and in support of Reza Pahlavi, the Crown Prince of Iran, as he visited the House of Commons for a discussion on the future of Iran. (Credit Image: © Vuk Valcic/SOPA Images via ZUMA Press Wire)