Nave, St. Mary’s Church, Pirna, Germany, 2008.
Chapter House, York Minster, York, England, 2006.
Nave, St. Anne’s Church, Annaberg-Buchholz, German, 2008.
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.
Found at the brilliant - But Does It Float.