Tranquil nighttime sky with magical northern lights dancing across the darkness, aurora borealis forming beautiful heart shapes that gently pulse and shimmer in romantic pink, green, and purple hues. The hearts slowly fade in and out creating a mesmerizing romantic display. Peaceful landscape silhouette at bottom with snow-covered trees. Stars twinkling softly in the background. Dreamy, ethereal atmosphere with gentle movement of the aurora creating a serene and romantic mood perfect for couples.