Day of the Dead is an intangible custom from pre-Hispanic cultures that is observed by Mexicans. It is a celebration of all the senses.

Mexico's Day of the Dead is associated with the scent of copal incense and cempasuchil flowers. It tastes sugary. 

There are many sounds and colors. Everywhere you look are pictures, candles, and music. Craftspeople's hands ready the altars in memory of their ancestors.

Even if one of your senses isn't working well, Day of the Dead is a celebration of all your senses, despite being an intangible custom from pre-Hispanic tribes. 

In one sentence, Gerardo Ramírez, who has nearly lost his vision over the years, encapsulates everything: "You honor people, you connect with the past."

When combined, the scents of cempasúchil (a marigold variety named after the Náhuatl word for "flower of 20 petals") and copal (a tree resin burned at altars) lead the departed spirits out of the underworld.

The local cempasúchil species has an intense scent that is nearly audible, according to Verenice Arenazas, a young lady who left her HR position to work in her family's flower field. 

It tells you, "Look at me, here I am," as soon as you move it, the woman claimed.

This year, in the renowned canal-crossed southern district of Mexico City, Xochimilco, her family planted 17,000 cempasúchil plants.

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