Today, stair-crafting ingenuity continues, with many staircases doubling for incredible feats of gravity and eye-popping works of art. “We like to think of them as practical sculptures,” said Packer. ...
Lloyd Alter is Design Editor for Treehugger and teaches Sustainable Design at Ryerson University in Toronto. Alternating tread stairs are terrific for saving space; you only put one foot on a tread at ...
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