Read it through once

From their position as they again faced toward the place of the fighting, they could comprehend a greater amount of the battle than when their visions had been blurred by the hurling smoke of the line. They could see dark stretches winding along the land, and on one cleared space there was a row of guns making gray clouds, which were filled with large flashes of orange-colored flame. Over some foliage they could see the roof of a house. One window, glowing a deep murder red, shone squarely through the leaves. From the edifice a tall leaning tower of smoke went far into the sky.