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simonpfotos: Heliography :Natural pin hole photography
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simonpfotos: Heliography : curtain on curtain
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simonpfotos: Heliograph
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simonpfotos: shadow selfie in/on tree
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simonpfotos: Water canon and curtain
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simonpfotos: The sun inside
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simonpfotos: Playful Sunlight