The image shows a large banner hanging from the ceiling of a building that reads "Christchurch City Council". The banner is made up of multiple colorful flags of different sizes and colors, including pink, blue, yellow, green, orange, and purple. The flags are arranged in a diagonal line, creating a banner-like effect. The background of the image is dark, and there is a plant on the right side of the banner. The overall aesthetic of the decoration is vibrant and eye-catching.