Altocumulus clouds gather in the sky, varying in density and brightness.
A daytime aerial view through a light cirruscloud of a well-defined group of altocumulus clouds gathered in the sky above the barely visible land below. The main group of clouds is tightly packed together as the two smaller groups of altocumulus clouds above to the right and left are more spread out. A faint deep blue sky is visible to the upper left. The sunlight shining on the tops of the cloud making them brighter than the bottom.