Punakha Drubchen is an annual religious and cultural festival held in the Punakha Dzong, which commemorates the victories of Bhutan against Tibetan invaders in the 17th century. The celebration involves a dramatic re-enactment of the historical battles and the traditional serda, which is the offering of prayers for the protection and wellbeing of the country. Punakha Drubchen showcases Bhutan's rich history and helps keep the ancient traditions alive in the hearts of its people.