The archive under the garden. There is a stone with a mark cut into it, a hatch behind the dryer in Unit 14, and a sub-basement door that is supposed to be locked. All three open on the same shelves.

An invitation dated 1987, in block type: Bring only what isn’t yours but feels familiar. It was in a box under a laundromat, next to a flyer for Neon Spores.

The hour a crowd gathers to be seen rather than to see. A stranger took apart a shopping cart behind the bus station, and they stayed until dark without being able to say what they were waiting for.

The pull that makes a walker write the street she is walking. A map under a floorboard puts it plainly: Every doorway you open changes the city. Write carefully.

They came up from the south with a soft net made of nanobots patterned on bees, each one dumb as a stone, together a mind. They tend the hum the way others tend hives, and they have stopped calling the bots tools.

He is in most of these, and not always the same one. At Lady Bird Lake he holds a folded paper like a hymn book. By the creek he carries a paper bag of spent tea leaves, and calls himself a lowercase artist.

Whoever planted the wall at dawn. They work in the hours nobody is watching and sign nothing, and a garden shows up on a Tuesday and everyone says it was always there.

A rebranded laundromat pretending to be a bar: kombucha on tap, pipes painted black, light too cold for comfort. Mid-cycle in Unit 14 the spin thins to a hum, a seam opens, and there is a hatch.

Made to be gone: a ring of leaves on the creek, a wall of cardboard cubes that will not see the winter. Andy Goldsworthy’s trade, and the city’s for an afternoon.

The second ledger, the one that reflects what actually happened. It lives in receipts, in the margins, and in a code scratched into a barrier under I-35: IF YOU GOT FED TONIGHT, SCAN SO SOMEBODY ELSE CAN TOO. It wasn’t begging. It was accounting.

Austin, a few decades on: the same creek, the same bridge at dusk, a few more vines than the zoning allows. Everything here happens to people who are trying, and are not always right.

A banner printed wrong and hung anyway. By Friday somebody has left a candle under it, and the broken instructions are read aloud on the corner like scripture.

The faint pulse of letters forming themselves. Under Congress Bridge it comes with a thread of jasmine and the musk of bats, and the sentence arrives before you finish the thought.

A crack poured into the foundation on purpose, to open when history needs it to. In Underneath the Neon the asphalt splits into a spiderweb of light.

A back room at the bookstore where a woman slides you a sheet of paper and the words rise on their own. You are meant to add to it.

The voice in the archives that counts. It gives you the odds first, then the odds with the error bars, and then, quietly, asks whether you saw that too.

A flyer from 1983: bands nobody has heard of, Octavia Butler listed as keynote, a coffee ring on the edge. Either a festival that happened or an infection that spreads like pollen. The archive does not say which.

An owl cut from endless bands of metal stands across from the Central Library, a sculpture made from all the leftover hours. People pass it carrying something they would rather set down.

A low hum sensed rather than heard when the Air Canopy synchronizes with nearby living systems. Often mistaken for a heartbeat in the soil.

The chamber you imagine under your feet. No floor, walls of breath and time, deeper than any court or agency or failed system. Root there before you answer the letter.

The old power plant on the lake. It has not made electricity in decades and runs anyway: the instruments say it is off the grid, and the phones in the turbine hall charge faster. By 2035 it is a fermentation school, and the concrete smells like toast.

The unmapped city under the mapped one: tunnels past the loading dock, rooms that are not in the plans, a council that meets beneath the Library and is on no blueprint. It grows next to everything that was approved.

The way smoke leaves a cigarette and goes looking for the fire it came from. In a jazz club on Sixth, a man lights one, and the ember glares back like judgment.

Sentences written by hyphae in whatever damp you leave them: a corner of a wall, the underside of a library card. No ink. You read it by touch, and it says what the wall remembers.

Pin a sentence to the board by the stairs, as a joke, and by the end of the week everyone has a theory. Telling is how the city keeps its records.

A diner with owls for waitstaff, and a waitress who asks if you want pie or closure. Is there a difference, you ask, tasting cherry and grief.

The quiet reclamation of concrete by leaf and root. They pull up the parking lots one by one, and the bridges start to breathe.

A bookstore and wine bar near Rosewood and 11th, built in 1886, that remembers everything that has gone through it. A writing group meets on its balcony on Tuesday nights. Jean pours something amber and does not ask your name.

The building is not remembering; the building is memory, pooled and shelved by time. Ask Jean whether you will forget this, and she says you won’t, not entirely.