Centuries-old bridges, grown from tangled roots
In the depths of northeaster India there is a bridge that constructed by itself. The bridge is made out of roots of the Ficus elastica tree. The tree produces a serious of secondary roots from higher up its truck ad comfortably perch a top huge boulders along the riverbanks, or even in the middle of the river themselves. In order to make a rubber tree's roots grow in the right direction the Khasis use betel nut trunks, sliced down the middle and hollowed out to create root guidance system. The thin, tender roots of the rubber tree, prevented from fanning out by the betel nut trunks, grow straight out. When they reach the other side of the river, they’re allowed to take root in the soil. Given enough time, a sturdy, living bridge is produced.
Relating to previous post of metabolic material, this natural system of growth tree can be expected to study further to apply in infrastructure system such as bridge and highways. The city grows like a tree. As it grows it needs more space for inhabitants. As the time passes significance of growing architecture that adapts to the changing environment will be focused.
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