Cut salmon into 12 equally thin slices.
Add a small amount of citrus vinaigrette to the bottom of a flat-bottomed plate or dish with a lip.
Add sliced salmon stacked one atop the other, resembling a cascade of toppled dominoes, alongside with layered avocado.
Place the caviar delicately atop the salmon.
Garnish with scallion, and chili pepper, cilantro leaves, black and white sesame seeds, and edible flowers if desired.
Add more citrus vinaigrette water if needed, but do not fully submerge the salmon.