Caral

Some twenty kilometres in from the Peruvian coast, in the Supe valley, six large platforms of earth and stone stand in the desert. Beside them are circular plazas sunk into the ground — round, stepped, dropping below the surface.

These structures date to around 2600 BC. That makes them roughly contemporary with the Great Pyramid at Giza. Caral is the oldest urban centre known in the Americas.

Before Pottery

The most striking thing about Caral is not what was found but what was not.

There is no ceramic on the site. None. That inverts the usual order of prehistory: normally pottery comes first, then settlements grow, then monumental building appears. At Caral the monumental building comes before the ceramics. A society raising platforms over thirty metres high was not yet making pots.

They solved cooking and storage with gourds and stone vessels and heated stones. The absence of a technology was not an obstacle; their priorities were simply arranged differently.

Cotton And Anchovies

Their economy rested on two things: cotton and fish.

They grew cotton in the valley with irrigation canals. Cotton is not food; cotton is nets. They supplied nets to the fishing communities on the coast and took dried anchovies and shellfish in return. Fish remains found on the site come from a sea twenty kilometres away.

So there was a regular exchange between a farming settlement inland and fishing communities on the shore, and the city stood at the centre of it. No money, no writing, no wheel, no draught animals. A network that worked all the same.

Something Else That Is Missing

There are no walls at Caral. No ditch. No defensive arrangement. Excavation has turned up no weapons, no fortification, and no skeletons showing violent death.

That is not proof — absence does not demonstrate that something did not exist, only that it has not been found. But in a settlement occupied for a thousand years and spread over a wide area, finding none of it is worth noting. At most early cities of comparable scale, a wall is the first thing built.

Among the things that were found are thirty-two flutes, made from pelican and condor bone, drilled, still capable of sound. And a piece of knotted cord — a quipu. The quipu is the knot system the Inca used for counting and record-keeping; the Caral example pushes it back by thousands of years.

What The Plazas Were For

The sunken circular plazas in front of the platforms are the signature of this culture. Being set below ground level cuts off whoever stands inside from the surroundings and leaves them facing only the sky.

What they were used for is not established. An acoustic function has been proposed, and that the flutes were played here; but that is an interpretation. What is certain is that the plazas were planned together with the structures — they are not later additions.

Today

The site was long taken for natural hills. Systematic excavation began in the mid-1990s under the archaeologist Ruth Shady, and when the dates were published the sequence for the early history of the Americas had to be revised.

Caral-Supe was inscribed on the UNESCO World Heritage list in 2009. The conservation problem is agricultural expansion and road building nearby; and because the structures are stone and compacted fill, earthquake and rain are direct threats. The dry climate was the best protection for five thousand years — once excavated, protection rests entirely with people.