NATO Secretary General Jens Stoltenberg on his arrival at the informal transatlantic dinner at the level of Heads of State and Government at the Prado Museum, June 29, 2022, in Madrid, Spain. This dinner, whose menu has been designed by chef Jos� Andr�s, is one of the meetings taking place on the occasion of the Nato Summit in Madrid, which officially began today and ends tomorrow at the IFEMA MADRID Exhibition Center. The celebration coincides with the 40th anniversary of Spain's accession to the North Atlantic Treaty Organization. The Russian invasion of Ukraine, the tensions between Moscow and the Alliance and the accession of Finland and Sweden mark the agenda of an event in which delegations from 40 countries are participating. Photo by A. Ortega/Pool/Europa Press/Abaca/Sipa USA