A bird stands on cempasuchil (Mexican marigold) flowers in Xochimilco, Mexico City, Mexico, on Oct. 13, 2020. The Cempasuchil flower is used in Mexico to celebrate the Day of the Dead. (Photo by Ricardo Flores/Xinhua)

A florist arranges cempasuchil (Mexican marigold) flowers in Xochimilco, Mexico City, Mexico, on Oct. 13, 2020. The Cempasuchil flower is used in Mexico to celebrate the Day of the Dead. (Photo by Ricardo Flores/Xinhua)

Florists transport cempasuchil (Mexican marigold) flowers in Xochimilco, Mexico City, Mexico, on Oct. 13, 2020. The Cempasuchil flower is used in Mexico to celebrate the Day of the Dead. (Photo by Ricardo Flores/Xinhua)

A florist waters cempasuchil (Mexican marigold) flowers in Xochimilco, Mexico City, Mexico, on Oct. 13, 2020. The Cempasuchil flower is used in Mexico to celebrate the Day of the Dead. (Photo by Ricardo Flores/Xinhua)