Dense clouds of smoke or dust ... spread through the clearness of the planet’s atmosphere and obscured its more familiar features.
In the obscurity I could see he made a gesture of despair.
Already I had had a transient impression of these, and the first nausea no longer obscured my observation.
For a long while I lay close to the peephole, but not daring to move aside the red plants that obscured it.
On the fourteenth day I went into the kitchen, and I was surprised to find that the fronds of the red weed had grown right across the hole in the wall, turning the half-light of the place into a crimson-coloured obscurity.
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The obscure battle is hardly mentioned in history books.
Nobody had seen the poem before, but an Internet search proved she had copied an obscure poem written in 1920.