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Pilates equipment in cave-like T.T. Pilates studio in Xiamen by Wanmu Shazi with rock-like walls and ceilings

Xiamen pilates studio by Wanmu Shazi resembles a light-dappled cave

Amorphous windows illuminate the cavernous interior of this pilates gym, which designer Wanmu Shazi has created in the Chinese port city of Xiamen.

The interior of TT Pilates, which is set inside a high-rise office building, was designed to distance visitors from the hustle and bustle of their urban surroundings.

T.T. Pilates studio with rock-like walls and ceilings and rounded openings funnelling light onto a wooden floor
The TT Pilates studio has cave-like interiors

"Pilates is a unique exercise that enables people to focus on themselves," Shazi explained.

"Through physical and mental training, people are able to enter another state of consciousness completely different from daily life and recharge their batteries. Such exercise needs an immersive, introverted space."

Woman sitting crosslegged on floor of T.T. Pilates studio in Xiamen by Wanmu Shazi with light streaming in through rounded windows
Natural light streams in through amorphous windows

With this aim, the designer focused on using soft colours and materials to mimic textures found in nature.

A mixture of micro cement and beige paint was used to form a rough, stone-like layer over the studio's walls and ceilings.

This fake rock finish also covers most of the studio's expansive steel-framed windows, leaving only a few organically-shaped openings so that visitors can catch glimpses of the skyline beyond.

Rounded wooden stools on wooden floor of Xiamen gym by Wanmu Shazi
Wooden stools are meant to look like pebbles

"Standing in the tranquil space and looking down at the bustling outside world through window openings evokes a transcendental experience," said Shazi.

These openings, along with those made in the ceiling to accommodate spotlights, cast bright patches of light onto the wooden floors.

Rocky surfaces also appear in the bathroom with its huge trough-style sink, which rises up from the ground like a boulder.

And in the entrance area, wooden stools shaped to resemble pebbles allow visitors to sit down while changing their shoes.

Bathroom of T.T. Pilates studio with columns walls ceilings and sink resembling rock formations
A trough-style sink in the bathroom resembles a boulder

"Many people said the studio looks like a cave but actually, at the beginning of the design, no particular style or form popped into my mind," Shazi explained.

"Instead, I just hoped to create a pure space that reveals a natural, immersive and serene vibe."

White beanbags on wooden floor of Xiamen gym by Wanmu Shazi next to arched windows
Just beyond the studio is an outdoor courtyard

Just beyond the studio's two main classrooms is a drinks bar where visitors can relax on plump white beanbag chairs.

One of the room's walls is punctuated with arched windows looking through to an outdoor courtyard, which features an exotic tree surrounded by a shallow pool of water.

A thick ledge running around the perimeter of the pool allows visitors to sit and submerge their feet on warmer days.

Woman doing yoga next to a shallow pool surrounding a tree in the courtyard of T.T. Pilates
A shallow pool surrounds a tree at the courtyard's centre

Wanmu Shazi isn't the only designer to create cave-like interiors in recent months.

BLUE Architecture Studio just completed a Chinese dessert cafe with craggy, boulder-style columns while Studio Wok designed a pizzeria in Sardinia with curved plaster walls that nod to the island's rocky coves.

Images are courtesy of 1988 Photography Studio and A Qi.

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More images and plans

T.T. Pilates studio in Xiamen
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen features cave-like interiors
T.T. Pilates studio in Xiamen includes outdoor courtyard
T.T. Pilates studio in Xiamen includes outdoor courtyard
T.T. Pilates studio in Xiamen includes outdoor courtyard
T.T. Pilates studio in Xiamen includes outdoor courtyard
T.T. Pilates studio in Xiamen includes outdoor courtyard