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BW-landscape PLANNING AND DESIGN：The destruction of natural ecosystem. The disintegration of traditional way of life. Apathy and disengagement among people. Those are supposed to be the costs of urban development. But are they really inevitable?We certainly say No！We believe spatial reconstruction is not just about physical space. It is more about natural space and emotional space.
Our project is located at the edge of Yichang, a city in Hubei Province known as “the pearl of the Gorge”. The locale was pristine but without much of effective resources, except for a barren river valley, which runs 500 meters long and averages 60 meters wide.That is where we launched our initiative. With an undertaking for natural restoration and emotional reconstruction, we set out to repair and reshape the entirety of valley space, using various landscape elements to convey and extend human emotions.
▼恢复河谷生态，重构自然与感情 Restoration of valley ecology， Reconstruction Nature and Emotion
Reconstruction of natural space: hills, woods, creek and valley
▼河谷现场，河谷两岸近20米高差 At the scene of the valley，There is a height difference of nearly 20 meters between the two sides of the river valley
The hardest part of natural restoration is the greening of the revetment on both sides of the valley, which climbs almost 20 meters in elevation. Our eventual choice is retaining walls built with reinforced earth. (The prototype of this structure dates back to the early period the Liangzhu culture more than 5000 years ago, when water bank was built with grass-reinforced mud blocks to protect arable earth.)We pre-blended the reinforced earth with large amount of grass seeds and flower seeds before filling it into planting bags. As the result, the green coverage of revetment reached 80% within 20 days merely on natural raining irrigation. This proved to be a highly efficient way of vegetation restoration.
▼加筋土挡墙施工过程记录，护坡采用加筋土挡墙的做法，加筋土种植袋内混合大量草种和花种 We pre-blended the reinforced earth with large amount of grass seeds and flower seeds before filling it into planting bags
We followed the inherent river course as the central thread for landscape planning, placing traffic lines and activity grounds accordingly.The idea is to maximize the integration between construction and original landform, as well as to minimize the damage to the natural environment. We did our best to collect building materials off the land. We extracted and stored local topsoil, and recycled pottery shards and wood chips.
▼地形材料,且后期驳岸、置石及汀步等都取材于现场弃石 Landform and materials ，During the end-stage, bulkhead, rock layout and stepping stones were all supplied with local derelict stones
Our design put an emphasis on preservation of local effective plants. Afforestation took the form of coniferous-evergreen broadleaf mingled forest, for the long-term benefit of balancing fast growing and slow growing plants.The choices of plants favored those of higher unit leaf-area capacity for aerial particle absorption, in order to lower PM 2.5 levels and improve air quality.According to our estimation, the green coverage ratio of the valley improved from the original 30% to 95%, the future PM 2.5 levels would be reduced by about 40%, and the average summertime temperature lowered by 2-3℃.
Reconstruction of emotional space: the fly-away bridge
A bridge is a connection, and also a conception.In both Western and Chinese cultures, the idea of a “bridge” is not confined to the functional structure that connects two places over obstacles. A bridge is also a symbol of communication, of interaction and harmony between human themselves, between human and creatures, human and nature.In traditional Chinese ideals, the finest location of residence is to “make neighbor with water”. Bridge arises over water, and home takes roots over connection. In a sense, bridges are perfect links and extensions of emotional spaces.
▼离空之桥手绘设计图 The fly-away bridge Hand drawing
▼离空之桥施工过程记录 Record of construction process of covered bridge
The fly-away bridge boasts a multi-dimensional Z-shaped design that transcends the lateral and longitudinal limits of the ground, forming a set of paths submerged in multi-level, multi-dimensional and multi-spatial experiences.Thus every direction, everyone and everything artificial and natural are connected in harmony.
▼离空之桥,离地之上，穿梭于林空之间，谓之“离空” The fly-away bridge ，Built upon away places, flying over wooded spaces, that is the imagery of “fly-away”
▼离桥栏杆细节 Covered railing details
In an opinion poll of 115 visitors，86% of the participants rated the valley landscape scenery as “satisfactory” or “very satisfactory”, especially the fly-away bridge, which earned a satisfactory rating of 97%.
We gathered that the fly-away bridge arouses immense delight and sense of participation. It is the best interpretation of communication among people, and harmonious coexistence between human and nature.The essence of our project is a twofold reconstruction: on the natural layer the reconstruction of hills, woods, creek and valley, and on the emotional layer the reconstruction of connection with the fly-away bridge.By “connection” we are not merely aiming at people themselves. It is a closed-loop space between human and nature: human reshapes nature; nature replenishes human. Within this space, people pass around and communicate their emotions.
Project Name: Zhaoshang Yichang Evian town landscape design(river valley part)
Year of completion: 2019
Project Area: 22497㎡
Project Location: Yichang City, Hubei Province
Landscape Design: BW-landscape PLANNING AND DESIGN
Client / Developer: CMSK
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