Figure 13 Completely eroded block - in its time well carved - above the farthest corner on which the sun rises at the winter solstice.
	Figure 13a Remains of the cast wall of the Sun Temple of Kalasasaya. The block on the left is of andesite and comes from the Second Period in which this temple was built. The block on the right is from the Third Period and replaced an eroded block.
	Figure 13b A section of the west wall of the Sun Temple which belongs to the beginning of the Second Period; its continuation is the famous balcony wall of the Third Period.