Create a photorealistic image of an adorable white cat sitting on the ground beneath a high horizontal bar during the Olympic gymnastics finals. The cat should be laughing with a joyful expression, contrasting with the intense atmosphere of the competition. The scene is set on the grand Olympic stage, with a vibrant and cheering crowd in the background. The lighting should highlight the cat's fluffy fur and expressive face, capturing its playful and carefree attitude amidst the excitement of the event. --ar 1:1 --niji 6