Every spring equinox, Iranians all over the globe gather with families and friends to celebrate the Persian New Year, Nowruz. Meaning, “new day,” Nowruz originated as a Zoroastrian celebration, and so it incorporates several rituals, including a deep spring home cleaning, small bonfires and a grand, decorative alter — called a haft-seen — featuring seven symbolic objects, each beginning with the letter “S” in Farsi.