original_query: What are the regional characteristics of European cathedrals?
query: What are the regional characteristics of European cathedrals?
answer: Regional characteristics of European cathedrals include variations in plan (e.g., Latin cross, cruciform), eastern end (apses, chevet), crossing (domes, spires), emphasis (verticality, horizontality), special features (flying buttresses, towers), sunlight and shadow effects, decoration (arcading, tracery), narrative features (mosaics, sculpture), and materials.