Related Clues:

• Open courtyards
• Ruins of Pompeii sights
• Skylit courtrooms
• Nero's courtyards
• Courtyards lit by the sun
• Pompeiian courts
• Skylit lobbies
• Blood carriers
• Sunlit courts
• Main lines
• Skylighted courts
• Sunny lobbies
• Chambers connected to other chambers
• Arteries
• Sites of some valves