Historical clue formulations

• From the mountains of Peru — 2018-05-29
• Like quinoa growers — 2016-02-11
• Like the spectacled bear — 2015-04-18
• Like the Incas — 2015-02-17
• Like the 10-Down — 2014-06-01
• Like vicuñas — 2013-06-27
• Like Quito and La Paz — 2012-05-06
• Like llamas and Incas — 2011-06-06
• Kind of condor — 1998-08-09
• Like much of Chile — 1998-04-26
• Like the Incas — 1996-12-10
• Like some South American cultures — 1996-06-29
• Incan, e.g. — 1996-01-27
• Like llamas — 1993-12-27