So What is the Most Important Element of Architecture?

A small handful of homes during my decades of garden & home renovation have packed a surprise.

They appear 'normal' when I park at the first visit.  Knocking at the front door the surprise is apparent.

Saying to myself, "......this home is HUGE."
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The reasons must be many for the illusion.  Top of the list is, proportion.
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Ironic, architecture & life have so much in common.  Proportion.
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Garden & Be Well,  XO Tara
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Pics taken at job site, same home as previous post.  Perhaps this is the magic ingredient of architecture engaging Thomas Jefferson........1789 Mar. 24. (to Joseph Willard) "We have spent the prime of our lives in procuring [young men] the precious blessing of liberty. Let them spend theirs in shewing that it is the great parent of science and of virtue; and that a nation will be great in both always in proportion as it is free."