A woman holds a pomegranate during the six-day Pomegranate Festival to celebrate the harvest season in Tehran, Iran, on Dec. 19, 2018. (Photos: Xinhua)

People attend the six-day Pomegranate Festival to celebrate the harvest season in Tehran, Iran, on Dec. 19, 2018.

Iranians carry baskets of pomegranates during the six-day Pomegranate Festival to celebrate the harvest season in Tehran, Iran, on Dec. 19, 2018.

People attend the six-day Pomegranate Festival to celebrate the harvest season in Tehran, Iran, on Dec. 19, 2018.

People attend the six-day Pomegranate Festival to celebrate the harvest season in Tehran, Iran, on Dec. 19, 2018.