Historical clue formulations

• Large building — 2024-06-23
• Imposing building — 2010-12-14
• High-rise, e.g. — 2007-02-17
• Skyscraper, e.g. — 2002-11-07
• Skyscraper — 2001-09-09
• Skyscraper, e.g. — 1996-10-26
• High-rise, e.g. — 1995-12-28