Read "Woman from Another Planet" by Frank Belknap Long online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
It was hard for Loring to realize that they had reached the building so fast, harder still to accept the fact that they were almost inside of it. The high portals arched above them, glimmering in the radiance, and their shadows were flickering on both sides of the entrance-way before he remembered that he had at first decided it would be wiser to bypass the structure -- to circle around it and keep on fleeing.
Fortunately he had looked back and changed his decision without conscious deliberation, so instinctively that the wisdom of it did not dawn on him until he was less than forty feet from the base of the building. The quick, backward glance had shown him the pursuing insect clearly, etched sharply against the glow, and its terrifying nearness had made him change his mind almost automatically, with a nightmarelike absence of any clear-cut reasoning process.