Possible Clues:

• See time in Rome spoiled by Scots rozzers
• Store opening recalled by the writer in city
• More pilots flying in London, for instance
• Big city’s sole import, surprisingly
• Permit Oslo or Rome to slip badly as main city
• The writer recalled port and silo in big city
• Permit Oslo or Rome to slip badly as big city
• Main city
• City of Rome spoilt in ruins
• Urban centre