BIG has won a proposal to design a 300 m tall residential tower and a 250 m tall office tower for the Guiwan district, located in Qianhai, which is most commonly known as the international finance city of China. The two towers taper towards the sky at a sleek angle, forming a subtle crevice of green balconies. This gesture adds not only lush openings throughout the building but also structural efficiency. The project’s cascading terraces continue from the ground floor to the rooftop and are filled with luscious greenery. Big is expected to begin construction on the project in 2025.




Both towers are conceived as simple prismatic building envelopes split open to make room for public space on the ground where they stand. In response to matters of climate and sustainability, The office tower’s East and West facades have Photo Voltaic cells integrated into them. Additionally, rainwater is collected through the sloped curtain walls and used for maintenance of the public spaces.



The Prisma Towers will include workspaces, residences, and 20,000m2 of leveled public spaces. The backdrop of the project is the famous Shenzhen-Hong Kong Plaza, also known as the Green Belt. The ground floor is designed to be fully opened, creating an urban living room. The public spaces on the ground floor include an amphitheater, tree-shaded social spaces, and an under-porch bar - all of which are located under the tree canopy and overhangs of the building.


References:
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