■ Around 800 Stepwell in Chand Baori, India

Chand Baori has a total of 3,500 stairs, 13 floors, and a depth of about 30 meters. You can also see the masonry of the incision here.

Chand Baori's myriad triangular staircases were found in Iran's Jiroft culture as a symbol of the Step Pyramid.

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