A butterfly is pictured as it sits on a Cempasuchil Marigold, the flower used during Mexico's Day of the Dead celebrations at San Luis Tlaxialtemalco nursery, in Xochimilco on the outskirts of Mexico City, Mexico October 28, 2021. REUTERS/Edgard Garrido REFILE - REMOVING MENTION OF BUTTERFLY SPECIES TPX IMAGES OF THE DAY