Sebastião Salgado. Amazônia, Art Edition No. 1–100 'Adão Yawanawá in a headdress of eagle feathers'

The most saturated landscape on the planet, and here it arrives drained of every colour it owns. Sebastião Salgado spent the better part of a decade in the Brazilian Amazon and came back with no green at all. The forest reaches the page in silver and charcoal and a hundred greys, and the first surprise of Amazônia is how little the colour is missed. What monochrome removes in lushness it repays in structure. Colour would have flattered the place; the absence of it makes the place serious, and the eye reads shape instead of postcard.

With no green to flood the vision, the architecture of the world emerges: the branching of a river system, the weight of a cloud bank, the precise fall of light down a standing wall of trees. Begin with the aerials, where the book states its scale. A river seen from above stops being water and turns into a nervous system, silver channels forking into black forest until the frame reads like an X-ray of something alive. Down low, the Anavilhanas scatter that river into a thousand wooded islands, a maze that looks designed and is only grown. Elsewhere the clouds do the work: vapour lifting off the canopy in columns, the flying rivers made visible, weather caught in the act of being manufactured by the trees beneath it. These read less like postcards of a rainforest than like diagrams of how one functions.

Then the ground rises. The tabletop mountains of the Serra do Divisor break the canopy like something geological remembering an older world, and the sense of deep time is hard to shake. Salgado photographs scale the way a cartographer might, patiently, from a distance that respects the size of the subject. A viewer accustomed to the quick landscape learns to slow down here, because the pictures reward the second and third look with detail the first one walked straight past.

Halfway through, the subject changes, and the project reveals what it was really about. The forest is a home, and the second half belongs to the people who keep it: the Yawanawá, the Marubo, the Ashaninka, the Korubo, the Zo'é. The portraits are formal, unhurried, and direct. No one is caught; everyone is met. A hunter stands with the stillness of someone who has agreed to be seen rather than been taken, and the difference shows in the set of the shoulders.

One frontal portrait sets a young woman's painted face against the deep black of a doorway, and the geometry of the body paint reads like a second, older photograph laid over the first. Another places a whole family inside the vault of a maloca, the roof arcing overhead like a cathedral built from palm. The point never curdles into anthropological curiosity. These are collaborators who agreed to the frame, and the pictures were made across long stays, not quick visits, which is why nobody in them looks surprised to be there.

The print that names this edition comes from exactly this register: Adão Yawanawá in a headdress of eagle feathers, a leader photographed head-on, crowned and composed. Its companion edition carries a picture of the Marauiá mountain range instead, land where this one carries a person, and the pairing is the whole project in miniature. Amazônia has two subjects that turn out to be one. The forest and its guardians cannot be photographed apart without losing the argument.

The technique earns the ambition. Salgado's tonal control is the reason a grey sky can hold as much drama as a face, and the reason the darkest passages never collapse into mud. A lesser printer would have let those skies go flat or those shadows go dead; here the greys carry as much information as the blacks. Years of return trips gave him weather, light, and trust that no single expedition buys. The scale of the printing matters too: the pages are large enough to let a river run its full length and a face fill its full height, which is the minimum this material demands.

The sequence is built like weather moving in. Long stretches of land and water accumulate a kind of pressure, and then a face breaks the pattern and resets the eye. Salgado and his editor understand that a picture of a river gains force from the twenty pages of forest before it, and that a portrait lands hardest once the reader has spent an hour among places before people. Nothing here is dropped in at random.

That patience is of a piece with the rest of the man's life. The photographer who made this had already spent years replanting a stripped valley of his family's land in Minas Gerais until the forest and the water returned, and that history sits behind every frame here. The book does not report from the outside; it argues from within, the advocacy of someone who has put trees in the ground, and the moral weight of it shows in how carefully the forest is rendered, never as spectacle to be consumed, always as a place with standing of its own.

In the accompanying text the forest is described not as scenery but as a living body to be shown upright and breathing, a plea folded quietly inside a picture. That framing connects Amazônia to the arc of the wider work. GENESIS surveyed the planet's untouched places; Workers and Exodus followed human labour and human displacement; this book fuses the two strands, the land and the people, into one standing case for both. It reads now as the last of his monumental undertakings, and it does not feel like a photographer winding down.

Adão Yawanawá looks straight into the lens, the crown of eagle feathers framing a face that has decided something, and behind him the forest is still standing.