Examples of living bridges of Cherrapunjee, India.
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. Some can support the weight of 50 or more people at once.
One of the most unique root structures of Cherrapunjee is known as the "Umshiang Double-Decker Root Bridge." It consists of two bridges stacked one over the other!