In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these bridges become stronger. These unique 'living root bridges' are found in

Living root bridges, known as *Jingkieng Jri*, are unique bio-engineering marvels created by the Khasi and Jaintia tribes of Meghalaya using the aerial roots of *Ficus elastica* trees. While states like Himachal Pradesh also feature rugged terrain, they lack the specific humid tropical climate and indigenous traditional knowledge required to cultivate these functional living structures. The core concept being tested is the regional geography of Northeast India and the traditional ecological practices of its indigenous communities.