Japan is a long island with a rich, seasonally influenced life, surrounded by ocean and mountains. Characteristic of Japan is the life and culture established within the diverse nature that emerged from the island’s topographical complexity. It is important to investigate this sustainable interrelationship within today’s context of globalization.  In the 20th century, the development of industry, guided by the value of optimum efficiency, significantly changed world structure. It happened in cities as well in rural areas. The increasing specialization and industrialization of industry led to the decline of unproductive activities such as hunting, harvesting wild plants, and forest management, with the decline of forestry especially impacting the rural village landscape. Economic growth starting in the 1960s attracted many young people from rural areas to pursue employment in cities. Rural areas are now confronting a shrinking and aging population and the lack of the income from industry, which threatens the landscapes of rural villages. How can we propose architecture in such a context? How can architecture contribute to sustain local diversity?
 French philosopher Bruno Latour’s Actor Network Theory invites nonhumans to participate in with humans and re-identifies a new set of social network. Rather than simply defining social groups by occupation or class, this theory justifies social as a collection of associations that involves constant movement and change in both size and content.  The project aims to further examine the Actor Network Theory in the context of Kitamoto city in Saitama Prefecture which is suburban village that is 50km away from Tokyo, and take forestry as an agency to generate a series of actor network that integrates with natural forest resources, social welfare and educational system and mobility infrastructure. Forest regarded as a new form of capital that can be optimized by bringing new values into the process of forestry production and engages multiple associations’ behaviors which articulates both geographically, spatially and socially.
 The geographical relationship between urban settlements and natural forest is in multiple conditions, all of which is articulated through specific associations that ties the whole city into together. The forests in rural area is intimately associated with farming field and forms a spectacular natural landscape, which has a natural observation park, outdoor activity center and other tourism and education related programmatic arrangements, whereas forest in the urban area is way from well managed. 
 These forests are of great biodiversity that forms an established ecosystem that has been managed by a non-profit organization, who organizes forestry activities such as cutting trees, weeding and collecting leaves, and the processed wood can be transformed to products and relates to a larger social network. Cut wood is being used for making furniture and panels, weeded branches are for making traditional Japanese art product, collected leaves are for making agricultural fertilizers and so on. All these activities are conducted by multiple social groups in all occupations and ages, and intimately tied with seasons. In every spring festival in March and April there are special events including public cooking and dining and exterior concert house that attracts people from Tokyo to come to the forest and enjoy.
 Geographically, the Kitamoto Central Green Forests are outspreaded among the neighborhood. The new architecture attempts to invent an office for the non-profit organization to hold weekly meeting and observation and cleaning activities, a day care center for elder people to have day time activity, a bus station that bridges the forest with larger city area and an atelier house for having furniture workshop.
 The tree species in the forest, however, is not suitable for construction. The wood material used for structure comes from another town in the Saitama Prefecture which is adjacent to Cedar and Cypress forest that is about 80 minutes’ drive. So the construction of the building is bridging the Kitamoto Central Green Forests with other resources and maps out a larger network. 
 The design approaches the edge of the forest by providing a horizontal canopy that connects interior and exterior activities. The expanded geometry aims to minimize the impact of architecture to existing forest condition as well as fully embrace the nature. The four parts of the building forms a cycle that reveals every process of forest related activity. 
 The section depicts a scene on the spring festival and reveal the interrelation among different actors. People come from Tokyo and join the forest events. Wood cut from the forest is for making fire. Local agricultural food seller come to sell food to the tourist. Tourist use exterior fire place to cook and eat in the forest. By having this bus station as a response to the existing abandoned parking lot, this section of the architecture serves as an intermediate between city and nature and activates new behaviors of the social. 
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