Historical clue formulations

• Shady alcoves — 2021-04-14
• Shady spots — 2021-02-13
• Shady areas — 2018-07-25
• Shady places — 2018-06-04
• Garden structures — 2010-01-14
• Pergolas — 2009-07-30
• Bowers — 1994-07-11