Portuguese Prime Minister Luis Montenegro (R) and Portuguese President Marcelo Rebelo de Sousa (C) review the guard of honour with Ukraine's President Volodymyr Zelensky upon his arrival at Figo Maduro military airport in Lisbon on May 28, 2024. Zelensky's visit to Spain and Portugal comes as Ukraine has been battling a Russian ground offensive in the Kharkiv region which began on May 10 in Moscow's biggest territorial advance in 18 months. (Photo by TIAGO PETINGA / POOL / AFP)