Commemoration of the soil and the day of the week.
World Soil Day 2025,Symbolic soil bell program in shahid hasan tavcoli hischool . Ravar (Iran), 17/12/2025 - 17/12/2025 Register! Due to the fact that it is the of commemoration of the soil and the day of the week, the soil bell will be rung at the Shahid Hassan Tavakoli School in Ravar city.