The sight of birds flying freely in the blue sky. According to the query dictionary network, the meaning of "harmony" here may be famous and brilliant, representing a mighty and majestic state, while "Ming" can be understood as singing resounding through the sky, representing a loud voice. Blue sky is the color of the sky, representing freedom and broadness. The blue sky in heming is a figurative description, which means the sight of birds flying freely in the blue sky.