Read it through once

Everything was shadow-like; those walking in front of her passed out of sight like shades, and once she thought she must have missed her way, though that was impossible, for her way was quite straight.... Suddenly the silhouette of the winged building rose up enormous on the sulphur sky. The low-lying gardens were full of poisonous vapour, and the thin trees seemed like the ghosts of consumptive men. The porter coughed like a dead man as she passed, and he said, "Bad weather for the poor sick ones upstairs."