They're not the world's tallest or longest bridges, but a string of humble river crossings sculpted from tree roots in India are engineering marvels that contain lessons for modern architects.
원문출처 : https://www.cnn.com/style/article/living-bridges-india-scn/index.html
원문출처 : https://www.cnn.com/style/article/living-bridges-india-scn/index.html