And Cieza de Leon, a Spanish writer of that period, he said that there was nothing comparable with the Inca road system. And if you see the extension of the Inca Empire, if you compare them in the ...

And Cieza de Leon, a Spanish writer of that period, he said that there was nothing comparable with the Inca road system. And if you see the extension of the Inca Empire, if you compare them in the ...

The Inca state's domain was unprecedented, its rule resulting in a universal language - a form of Quechua, a religion worshipping the sun, and a 14,000 mile-long road system criss-crossing high ...