abstract appearance art-glass artistic artistry background blended bubbles bubbly color coloration colored colorful colors colour coloured colourful colours contrast craftsmanship curved curves decorative distinctive glass light lighting lines liquidy patterned patterns perspectives round rounded shaped shapes stained-glass style surface surfaces surfacing texture textured textures thick thin vibrant wallpaper window architectural black dark design designed Designs frame framed frames geometric geometrical lead rectangle rectangles rectangular reflected reflection reflections rippled angles architecture business commercial decoration edges exterior external glass-panes height high high-rise modern multi-colored multicoloured panes shadows shape Singapore sunlight sunshine views window-frames window-panes windows