Thirty years ago, on my first visit to India, I glanced over an ordinary wall. The ground fell away and was replaced by an elaborate, man-made chasm the length and depth of which I couldn’t fathom. It was disorienting and even transgressive; we are, after all, conditioned to look up at architecture, not down into it, and I had no clue as to what I was looking at. Descending into the subterranean space only augmented the disorientation, with telescoping views and ornate, towering columns that paraded five stories into the earth. At the bottom, above-ground noises became hushed, harsh light had dimmed, and the intense mid-day heat cooled considerably. It was like stepping into another world.
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The Astonishing (Vanishing) Stepwells of India
https://www.archdaily.com/878527/the-astonishing-vanishing-stepwells-of-indiaVictoria Lautman