The winterline is a rare atmospheric phenomenon, visible in specific locations like Mussoorie in India and the Swiss Alps
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It is a distinct, often vibrant, horizontal line that appears in the sky at dusk, creating the illusion of a second horizon
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The exact mechanism behind the winter line's formation is not fully understood
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It's believed to be related to the refraction of light as it passes through layers of air with varying temperatures and the presence of dust, moisture, and smog
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The winterline is typically visible during the winter months, from late October to February or early January
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It often appears as a distinct line or band of colour, typically displaying shades of orange, red, and yellow
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It creates a surreal, layered effect, making sunsets extraordinarily stunning and is a major draw for tourists and photographers
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In Mussoorie, Lal Tibba, the highest point, and Cloud's End viewpoint are known for their stunning views of the winter line