The feast of Corpus Christi has been celebrated around the Andes since early colonial times in the Middle Ages. Corpus Christi celebrations in Peru primarily originated from a 13th century Augustinian nun, Juliana of Liège. Corpus Christi is a national holiday in Peru and is most visible in Cusco. The feast of Corpus Christi is celebrated over the entire country, but in Cusco, the festivity goes on for a week and thousands of people throng around the Plaza de Armas to view the spectacular processions. Read Less