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Subsurface Water Harvesting with Native Reeds and Flexible Living Modules
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Harnessing ancient water management techniques, the design integrates Totora reeds and modular living spaces to address water scarcity while promoting sustainable agricultural practices.
5 key facts about this project
01
Integrates traditional Amunas water channels for effective rainwater harvesting.
02
Constructed primarily from locally sourced Totora reeds for sustainability.
03
Features modular living units adaptable to residents' needs and changing climates.
04
Incorporates hydroponic gardens for on-site food production and ecological education.
05
Promotes community involvement in construction and ongoing maintenance efforts.

## Project Overview
The Amunas initiative addresses water scarcity in the Andean region, specifically in areas experiencing significant global water stress. The design integrates traditional agricultural practices with contemporary sustainability principles, focusing on water management through a canal system that filters and retains rainwater to enhance agricultural viability.

## Architectural Composition and Spatial Organization
The layout features a microhome structured around a central atrium, fostering a connection between indoor and outdoor spaces. This design promotes natural light and ventilation, contributing to occupant comfort. The microhome is organized into modular units, allowing flexibility for various living needs. Each module serves a distinct purpose, including sleeping, working, kitchen, and bathroom areas. Hydroponic gardens are incorporated into living spaces, providing sources of food while enhancing residents' connection to their environment. The kitchen is designed with a traditional wood-burning stove, which prioritizes efficiency and low emissions.

## Water Management and Materials
The project employs advanced water harvesting techniques to facilitate sustainable domestic water use and recharge local aquifers. Approximately 30% of the captured water is allocated for daily household needs, while 70% is directed for infiltration purposes. Key materials are sourced locally to decrease environmental impact; these include totora reeds for insulation, local wood for structural elements, and recycled glass to optimize lighting. By utilizing around 80% local materials, the project emphasizes ecological efficiency and supports the local economy. Additionally, the integration of hydroponic systems allows for efficient food production and resource management, reinforcing the initiative's commitment to sustainability within its design framework.

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Vancouver Tall Challenge: Building Higher Downtown

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Competition organisers

The Vancouver Tall Challenge: Building Higher Downtown is an international architecture competition organized by Buildner in collaboration with the City of Vancouver and the University of British Columbia’s School of Architecture and Landscape Architecture (SALA). The competition invites architects, designers, planners, and creative thinkers to explore innovative approaches to tall buildings in Vancouver’s downtown core, focusing on sustainability, livability, urban density, public space, and the city’s strong connection to nature. As Vancouver continues to grow, participants are challenged to rethink how vertical development can enhance urban life and contribute to a more vibrant, inclusive, and resilient city identity.

The competition offers a total prize fund of $15,000 CAD, with winning proposals selected by an international jury of architects, planners, academics, and city-building professionals. Key dates include the final registration deadline on October 29, 2026, submission deadline on November 30, 2026, and winners announcement on January 26, 2027. Full competition details, requirements, and registration information are available at architecturecompetitions.com/VancouverTallChallenge

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