A police officer guards an area as U.S. Ambassador to Russia Lynne Tracy lays flowers at the monument, a large boulder from the Solovetsky islands, where the first camp of the Gulag political prison system was established, near the building of the Federal Security Service (FSB, Soviet KGB successor) in Lubyanskaya Square in Moscow, Russia, Sunday, October 29, 2023. (Photo by Dmitry Serebryakov/AP Photo)
