An installation of "Z", "V" and "O" symbols in support of the Russian armed forces involved in the military operation in Ukraine is seen outside the U.S. embassy during a rally marking the Reunification Day, the third anniversary since four regions of Ukraine accessed to Russia, in Moscow, Russia. On September 30, 2022, Russian President Vladimir Putin and heads of the Donetsk and Lugansk People's Republics, as well as the Kherson and Zaporozhye Regions, signed treaties on their regions' accession to Russia.