epaselect epa10040349 NATO Secretary-General, Jens Stoltenberg (R), shakes hands with US President, Joe Biden (L), during their bilateral meeting held on the first day of the NATO summit at IFEMA congress centre in Madrid, Spain, 29 June 2022. Heads of State and Government of NATO's member countries and key partners are gathering in Madrid from 29 to 30 June to discuss security concerns like Russia's invasion of Ukraine and other challenges. Spain is hosting 2022 NATO Summit coinciding with the 40th anniversary of its accession to NATO. EPA/LAVANDEIRA JR.