Inca road system: Did you mean...?

A colonial-era illustration depicting Inca farmers using traditional tools such as the foot plough. By the native chronicler Felipe Guaman Poma de Ayala, c. 1613 CE.

Inca qollqa (storehouses) used for storing grain and other foodstuffs. 15-16th century CE, Ollantaytambo.

A photograph of a macadamised road taken in the 1850s. The macadamised road, that is, a hard and relatively smooth road surface made using two layers of stones (one aggregate layer and a top layer of very small stones), was first made on...

An illustration of the solar system by Martin Kornmesser. From The International Astronomical Union.

Bartolomé de Las Casas (1484-1566) was a Spanish Dominican friar and former conquistador who revealed the atrocities of the conquests of New Spain and Peru and who strove to protect the basic rights of indigenous peoples in the Spanish Empire...

View full lesson: https://ed.ted.com/lessons/how-the-world-s-first-subway-system-was-built-christian-wolmar It was the dawn of 1863 CE, and London's not-yet-opened subway system — the first of its kind in the world — had the city in an...

Construction of the Dujiangyan irrigation system began in the 3rd century B.C. This system still controls the waters of the Minjiang River and distributes it to the fertile farmland of the Chengdu plains. Mount Qingcheng was the birthplace...

Historians and experts examine the American system of racialized slavery and the hypocrisy it relied on to function.

In this video, the various classes within Roman society, as well as the Conflict of the Orders are discussed.

▶ SUBSCRIBE! http://bit.ly/PlanetDoc Full Documentaries every Tuesday, Thursday and Saturday! ▶ Documentary "The Forerunners of the Inca" http://pdoc.es/ForeIncas We traveled to the Bolivian altiplano plateau for the first pre-Inca cultures...