In this file photo taken on March 17, 2021 Aerial view of a drive-thru vaccination center against COVID-19 in Porto Alegre, Rio Grande do Sul state, Brazil on March 17, 2021. With nearly one billion vaccine doses against Covid-19 administered worldwide on April 24, 2021, according to an AFP tally, we look back at some of the more unusual locations where vaccinations have been given across the world. SILVIO AVILA / AFP