Closer on the diagonal 蜂(複). They run in and out of the 黒 and 白 archive, which stretches an indefinite 数 of units left to right. Each slatted frame has an indefinite length. Having seen that the 洞くつ蜜蜂の巣 is カラの, this is probably that (or that is this). Might simply be a picture from a time when there were many pictures, so many that some could even be stored for later seeing.