Fine Arts and Art Installation Design Gradual Change of the Circle Sculpture by Ying Hsi Liao The work is mainly made of stainless steel, and the titanium plating technique makes the art piece in the color scheme of cash and silver, demonstrating a technological and futuristic vibe. The rounded shape of the piece is a replica of a mother's face, representing her love like the sun and the moon, which protect her day and night. The earth's biosphere: genes, individuals, groups, species, communities, and landscapes have evolved over thousands of years.