The UNESCO page on the Arba'in visitation highlights the tradition of providing services and hospitality to millions of pilgrims traveling to Karbala, Iraq, for the commemoration of Imam Hussain's martyrdom. This practice is a vital expression of community spirit, involving people from various backgrounds who volunteer to offer food, shelter, and medical aid to pilgrims. The tradition emphasizes values of generosity, compassion, and solidarity, reinforcing cultural identity and social cohesion.
You can view the full page here.