"The whole act of going up and down a stair is a very spatial experience," Gray says. "When you’re bridging between two levels, you try to do it in as structurally light way as possible, which is really appealing to us." Photo 2 of 5 in Architects Share the Story Behind Their Modern Staircase Design by Allie Weiss

Architects Share the Story Behind Their Modern Staircase Design

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"The whole act of going up and down a stair is a very spatial experience," Gray says. "When you’re bridging between two levels, you try to do it in as structurally light way as possible, which is really appealing to us."