Historical clue formulations

• Open, light-filled area — 2025-06-29
• Central room of a Roman house — 2022-03-14
• Open room with natural light — 2022-01-31
• Open chamber — 2019-10-26
• Heart chamber — 2015-02-23
• Architectural space — 2011-09-04
• Indoor plant site — 2005-05-26
• Courtyard — 2002-01-21
• Office building area — 2001-07-03
• Heart chamber — 1998-05-09
• Museum room, maybe — 1998-01-11