秋季阿爾卑斯山谷，有湖泊和雲海，覆蓋著鮮豔的樹葉和針葉樹

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Create a highly realistic, ultra-detailed landscape photograph of a autumn alpine mountain valley viewed from a high overlook. In the foreground and lower half, show dense forest covering steep slopes, with vivid fall foliage in saturated crimson, orange, gold, and yellow mixed with dark green conifers. In the middle distance, place a calm deep-blue mountain lake in a bowl-shaped valley, reflecting the surrounding forested slopes and rocky peaks. Surround the lake with rugged mountains and steep ridgelines, including pale gray exposed rock faces on the right and darker forested mountains on the left. Beyond the lake, fill the valley with a thick white sea of clouds or fog, smooth and rolling like cotton, with multiple distant mountain peaks and ridges emerging above it across the horizon. Use a clear bright blue sky with no clouds above, crisp morning light, high visibility, strong natural contrast, and vibrant colors. Composition should be vertical, approximately 4:5, with the lake centered slightly below the middle, autumn forest dominating the foreground, cloud sea spanning the background, and dramatic alpine peaks framing the scene. Style: professional travel and nature photography, sharp focus throughout, realistic lighting, no people, no buildings, no text, no watermark.