In the depths of northeastern India, in one of the wettest places on earth, bridges aren’t built - they’re grown.

The living bridgesof Cherrapunji, India are made from the roots of the Ficus elastica tree. This tree produces a series of secondary roots from higher up its trunk and can comfortably perch atop huge boulders along the riverbanks, or even in the middle of the rivers themselves.

Cherrapunji is credited with being the wettest place on earth.
Whenever and wherever the need arises, they simply grow their bridges.The War-Khasis, a tribe in Meghalaya, long ago noticed this tree and saw in its powerful roots an opportunity to easily cross the area’s many rivers.

The root bridges, some of which are over a hundred feet long, take ten to fifteen years to become fully functional, but they’re extraordinarily strong - strong enough that some of them can support the weight of fifty or more people at a time.Because they are alive and still growing, the bridges actually gain strength over time - and some of the ancient root bridges used daily by the people of the villages around Cherrapunji may be well over five hundred years old.

One special root bridge, believed to be the only one of its kind in the world, is actually two bridges stacked one over the other and has come to be known as the “Umshiang Double-Decker Root Bridge.”

(source)

(via thewarindrew)