create a subtle photorealistic 10 second animation from this exact image keep the camera completely static preserve the architecture furniture lighting colors and composition exactly as in the source image only animate two elements the sheer white curtain beside the glass door on the far left gently sways and billows slightly from a very soft natural breeze the existing fire in the fireplace on the right flickers naturally with small realistic flames no movement anywhere else no camera movement no zoom no changes to objects no added elements seamless elegant very subtle motion