Ninjas from Iga (L and 2nd R) pose with female ninjas from Tokyo's Musashi ninja clan (2nd L and R) during the Iga-Ueno Ninja Festival at the Ueno park in Iga city on December 8, 2013. Iga city in Mie prefecture, about 350-kilometre west of Tokyo, a birthplace of Iga-style ninjas, held the two-day-long festival to attract visitors to the city. AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)