The path is present for the feet and absent for the eyes.
Where the boards disappear
At 05:45 the first section of footbridge is clear enough to count its boards. Beyond the second bend, the handrails narrow into two grey lines and stop. The marsh has not changed shape overnight, but its distances have been removed. Reeds that usually mark the far channel appear as darker strokes without a bank behind them.
We walk slowly, not because the route is unfamiliar, but because water has settled on the timber in a film too thin to reflect the sky. Each board gives a different amount under the sole. The newest repairs remain level and quiet; older lengths hold shallow hollows that answer with a small squeeze of water at the edges.
Fog does not hide the whole landscape. It removes the agreement between one distance and the next.
At the first platform, the world ends at roughly eighty metres. That figure is estimated from railing posts whose spacing we already know. A camera makes the limit look firmer than it feels. To the eye, reeds fade by degrees. In the photograph, compression turns that fading into a wall.
Weather on the handrail
The metal rail is colder than the air and has collected a row of droplets along its underside. They are smallest over the open water and larger near the reed bed, where the bridge is protected from even the faintest movement of air. Sliding a finger beneath the rail joins several drops into one, leaving a dry interval that closes again within minutes.
Condensation makes the structure legible in another way. Fine scratches disappear beneath the wet surface, while patches of lichen darken and expand. At each vertical post a drop follows the same route to a bolt head, pauses, then falls to the timber below. The bridge briefly carries its own small drainage system above the marsh.
Sound is equally close. With no wind in the reeds, the loudest regular note is water falling from the rail. A bird calls somewhere beyond visibility; the fog does not meaningfully silence it, but without a visible source the call seems detached from distance. Our footsteps supply the only reliable scale.
Distance returns
Shortly after seven, a pale area develops above the eastern trees. The fog does not lift as one sheet. It thins first over the open channel, remains dense over the coldest water, and draws long horizontal layers between the reed tops. The far railing returns in sections: one bend, a gap, then the final platform.
As visibility grows, the place becomes visually larger and acoustically busier. Moving water can be assigned to a channel again. Wingbeats cross a known span. A service road beyond the marsh returns as a low line, and with it comes the distant tyre sound that had been present all morning but lacked a location.
The change can be timed by the objects that reappear. First a pale marker beside the far sluice separates from the reeds. Six minutes later, the roofline of a small shelter gathers enough contrast to hold its shape. The sequence is less dramatic than sunrise, yet more exact: the marsh is returned through isolated surfaces, each one becoming visible before the space between them does.
Looking back along the route reveals a second boundary. Behind us, the entrance already sits in clear air while the platform ahead remains grey. The dividing line cannot be seen on the boards, only in how quickly the posts lose contrast. We cross it without feeling any change in temperature, carrying a wet handrail on one side of us and a drying one on the other.
When the fog clears, the landscape does not come back all at once. First come edges, then sources, then distance.
By 08:20 the visible range has extended beyond a kilometre. The upper rail begins to dry on its eastern side, though beads remain underneath and in the shadow of each post. The timber keeps a darker record of every footstep. Reeds closest to the bridge are still silver at their tips.
We leave after the route has become ordinary again. Behind us, the footbridge is fully visible from end to end, but it still carries the morning in its joints and lower surfaces. The fog reached it first; the bridge will be one of the last things here to let the fog go.