A black hourglass sits on a cracked desert rock under a bright blue sky 摄影提示词

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A minimalist fine-art photograph of a single, heavy obsidian hourglass filled with iridescent silver sand, resting on a slab of cracked salt rock. The setting is a desolate, wind-swept salt flat during a hazy summer dawn. Shot with a 35mm lens, utilizing harsh, low-angle morning light to create long, dramatic shadows. Captured on Kodak Portra 400 film stock. Centered, symmetrical composition.