Xiang Architects has unveiled the Chenhu Migratory Bird Observation Tower in Wuhan, China, standing at an impressive 19.8 meters. This architectural marvel rises from Xianglushan, offering visitors a unique viewing experience through its interlocking staircases. These twin staircases twist skyward, providing separate ascent and descent routes, while unfolding panoramic views of the surrounding rivers and marshlands.
If you’re inspired by the immersive views, explore how water flows on Earth with artistry for a unique perspective on nature.
A walk through a helix of views and interlocking staircases
The tower’s design features 24 staggered platforms, each orienting visitors toward different segments of the landscape. The journey starts below the tree canopy and progressively rises, revealing sweeping vistas of the wetland horizon. Unlike traditional observation towers, this structure doesn’t save its breathtaking views for the top alone; instead, it allows for a continuous engagement with the landscape during the climb.
A structural dance of steel
The double-helix stairs are not just functional; they form the structural backbone of the tower. Xiang Architects, in collaboration with structural designer AND Office, constructed a system where interlocking stair flights connect with counter-rotating steel braces. These braces create a three-meter-wide vertical void, offering a striking visual feature viewed from below.
A dynamic silver silhouette
Wrapped in matte silver metal, the tower’s skin reflects the damp hues of the wetland on gray days, while radiating light and color during sunnier conditions, and taking on warm tones during sunset. This reflective property gives the tower a mutable presence, harmonizing with its natural surroundings.
Prefabrication: A mindful construction approach
Through parametric modeling, the architects translated complex geometries into 24 standardized modules, ensuring each component could be prefabricated and assembled on site. This minimized interference with the sensitive wetland environment, highlighting a considerate approach to construction.
The Chenhu Wetland serves as a winter refuge for over 100,000 migratory birds between October and March. The tower’s architecture transforms the simple act of climbing into an immersive viewing experience. By offering multiple vantage points on the ascent, Xiang Architects enables visitors to explore the wetland’s expansiveness one frame at a time through the ingenious design of interlocking staircases.
Project details
Project Name: Chenhu Migratory Bird Observation Tower
Architects: Xiang Architects
Location: Tonghu Town, Caidian District, Wuhan, Hubei Province, China
Height: 19.8 meters (65 feet)
Completion: 2026
Principal Architect: Xiang Nan
Project Architect: Qin Chuan
Structural Design: Zhang Zhun, Xu Yue / AND Office
Steel Structure and Curtain Wall: Zhou Jia, Cheng Weiting, Liang Zhe, Wu Shiwei, Lin Yao, Zhou Xing, Xin Hongqing, Wu Guo / RoboticPlus.AI
Lighting Design: Xiang Architects
Client: Wuhan Urban Construction Investment Group Co., Ltd.
In collaboration with Wuhan Municipal Engineering Design & Research Institute and Wuhan Yucheng Construction Group Co., Ltd.
Source: designboom.com
Frequently asked questions
What is the height of the Chenhu Tower?
The Chenhu Migratory Bird Observation Tower stands at an impressive 19.8 meters.
How does the tower’s staircase design enhance the viewing experience?
The tower’s twin interlocking staircases provide separate ascent and descent routes, offering continuous panoramic views of the surrounding rivers and marshlands.
What construction approach was used for the Chenhu Tower?
The architects used parametric modeling to translate complex geometries into standardized modules, allowing for prefabrication and minimizing interference with the wetland environment.