 Nara was added to the list of UNESCO World Heritage Sites in December 1998.The architecture of some shops, ryokans and art galleries has been adapted from traditional merchant houses.Nara holds traditional festivals every year, including the Neri-Kuyo Eshiki, a spring festival held in Todaiji temple for over 1,000 years; and the Kemari Festival, in which people wear costumes ranging across 700 years and play traditional games).