Nave, St. Mary’s Church, Pirna, Germany, 2008.
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Chapter House, York Minster, York, England, 2006.
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Nave, St. Anne’s Church, Annaberg-Buchholz, German, 2008.
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Beautiful series called 'Vaults' by photographer David Stephenson from his book 'Heavenly Vaults - From Romanesque to Gothic in European Architecture' (2009) published by Princeton Architectural Press.
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Found at the brilliant - But Does It Float.