The Paro festival if not is one of the most popular festivals in Bhutan. People from all over Bhutan and all over the world come to witness this colorful, vibrant festival. On the last day of the festival a giant Thangkha of Guru Rimpoche will be displayed inside the Paro Dzong only for a few hours in the morning. It is believed once you view the Thangkha that your sins will be cleansed.