Members of the Presidential Guard perform during of the changing of the guards ceremony at the tomb of the unknown soldier in central Athens, on Tuesday, Jan. 21, 2020. (AP Photo/Petros Giannakouris)
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Members of the Presidential Guard perform during of the changing of the guards ceremony at the tomb of the unknown soldier in central Athens, on Tuesday, Jan. 21, 2020. (AP Photo/Petros Giannakouris)
