The roots of invention

The roots of invention

Living root bridges like this can be found in the tropical rainforests of Meghalaya, a state in northeast India that is among the wettest places on Earth. The gentle waterways that flow through the region’s valleys become gushing torrents during the summer monsoon season and will wash away traditional bamboo bridges. So, generations of indigenous Khasi people have devised a way of building root bridges by shaping living trees, like this one near the village of Mawsynram.

It works like this: Rubber fig trees are planted or located on opposite riverbanks. As the trees’ above-ground roots grow, the Khasi will guide them across the water, sometimes with the support of temporary scaffolding like bamboo. After years of tending, the roots will eventually join and take hold of each other, forming a living suspension bridge that provides safe passage over the swollen river. The innovation has proved critical to the Khasi people. In this environment, bridges made from harvested materials would quickly rot and fall apart, leaving villages cut off and isolated. Building a living root bridge requires patience, though. It takes about 15 to 30 years to grow one sturdy enough to support humans. But the investment pays off. As these bridges age, they get stronger. Some are 100 feet long and can hold over 50 people.

Categories: Travel, Travel News

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