epa09473399 Greek Prime Minister Kyriakos Mitsotakis (R) welcomes President of the European Commission Ursula von der Leyen (L), at the EUMed9 Summit, in Athens, Greece, 17 September 2021.The agenda of the Summit, which acquires special geopolitical weight, includes security challenges in the Mediterranean that endanger stability in the region, potential new crises, such as the threat of migration flows after the latest developments in Afghanistan. EPA/YIANNIS KOLESIDIS