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Greek Prime Minister Alexis Tsipras (R) welcomes Estonian President Kersti Kaljulaid during their meeting in Athens, Greece, May 18, 2018. (Xinhua/Marios Lolos)
Greek Prime Minister Alexis Tsipras (R) welcomes Estonian President Kersti Kaljulaid during their meeting in Athens, Greece, May 18, 2018. (Xinhua/Marios Lolos)