The horse was unknown to the Incas, but their network of roads provided them with what has been called “a veritable running track for the royal messengers. ”
इसके लिए ठोस चट्टानों को काटकर रास्ता बनाया गया और सड़क को सहारा देने के लिए सैकड़ों फुट ऊँची टेक दीवारें बनायी गयीं ।