material

sandstone

Speyer Cathedral, east elevation with eastern spires and apse
Speyer Cathedral, east elevation with eastern spires and apse Speyer, Rhineland-Palatinate, Germany
Natural History Museum, mineralogy exhibition room
Natural History Museum, mineralogy exhibition room Vienna, Austria
Igel Column, southern relief
Igel Column, southern relief Igel, Rhineland-Palatinate, Germany
Natural History Museum, exhibition room earth history
Natural History Museum, exhibition room earth history Vienna, Austria
Saint Mary's Cathedral, southern side chapels
Saint Mary's Cathedral, southern side chapels Hildesheim, Lower Saxony, Germany
Humayun's Tomb, jali
Humayun's Tomb, jali New Delhi, India
Palace on the Dam, pediment and tower
Palace on the Dam, pediment and tower Amsterdam, North Holland, Netherlands
Lorsch City Hall
Lorsch City Hall Lorsch, Hesse, Germany
Speyer Cathedral, northern side-aisle
Speyer Cathedral, northern side-aisle Speyer, Rhineland-Palatinate, Germany
Chandraprabhu Jain Temple, mandapa cupola detail
Jaisalmer Fort, Chandraprabhu Jain Temple, mandapa cupola detail Jaisalmer, Rajasthan, India
Porta Nigra, detail of the northern facade
Porta Nigra, detail of the northern facade Trier, Rhineland-Palatinate, Germany
Archiginnasio Palace, coat of arms reliefs of the first floor arcade
Archiginnasio Palace, coat of arms reliefs of the first floor arcade Bologna, Emilia-Romagna, Italy
Pharmacy Eagle, east elevation
Pharmacy Eagle, east elevation Worms, Rhineland-Palatinate, Germany
Speyer Cathedral, transept
Speyer Cathedral, transept Speyer, Rhineland-Palatinate, Germany