Possible Clues:

• Place with piece offerings?
• *Place to buy a painting
• Source of irritation in main road leading to the Louvre?
• Place where a creative type hangs?
• Constables perhaps assembled here, needing nerve to occupy big vessel
• Bitterness when trapped by major road works here
• Tate Modern, for example
• Haunt of picture fanciers
• Walker in Liverpool, say, creating hostility when blocking main road
• Irritation in middle of major road works can be displayed here