The Kelp Cathedral (Underwater No. 7)

The kelp forest is one of the few environments on the planet that earns the word cathedral on its own architectural terms. The stipes rise as columns. The fronds form clerestory windows that filter and color the daylight from above. The silence underneath is structurally similar to the silence inside a stone nave, broken only by the small precise sounds — the ticking of zooplankton, the occasional bell-tone of a hull strike from somewhere far off — that you do not so much hear as register against the absence of other sound.

This image attempts that register. The composition is built around three vertical kelp columns in the near foreground, two more in the middle distance, and a faint dissolution of forest into teal in the back, the way the columns of an actual cathedral fall away into their ambulatory. The light is doing the work. Each sun shaft is a discrete volumetric object; you can count the particulates suspended inside it; the gaps between the shafts are where the eye learns the depth of the room.

The fish are the human-scale element of the picture, even though there are no humans in it. They give you something to track at the speed of a breath, and they remind you that the cathedral is alive in a way that stone cathedrals are not — that this whole vertical structure is an organism that grows ten inches a day and dies back twice a year and rebuilds, and that the shafts of light are striking organic glass that knows it is being struck.

The reference for this image is California — specifically the kelp beds at Anacapa Island, which I have visited and which any photographer who has been there once will recognize from the angle of the columns and the particular gold-into-emerald gradient of the water — but the composition is generic enough to read as any temperate Pacific kelp forest. There is no boat shadow at the surface. There is no diver in the frame. There are no instruments, no marker buoys, no cables. Just the room, and the light, and the small movement of the fish, doing their work in a structure older than any cathedral ever built by hands.