Galéria: A koronavírus-járvány a világban az elmúlt héten - fotógaléria
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Small olive trees are placed next to the patrol of Italian police in St. Peter's Square at the Vatican as Pope Francis celebrates Palm Sunday Mass behind closed doors at the Vatican City, Vatican on Sunday, April 5, 2020, during the lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by Massimo Valicchia/NurPhoto)