Explanation:

• Living root bridges :
• Living root bridges are a form of tree shaping common in the southern part of the Northeast Indian state of Meghalaya.
• The southern Khasi and Jaintia hills are humid and warm, crisscrossed by swift- fl owing rivers and mountain streams.
• On the slopes of these hills, a species of Indian rubber tree (Ficus elastica) with an incredibly strong root system thrives and fl ourishes.
• The bridges are handmade from the aerial roots of Rubber Trees by the Khasi and Jaintia peoples of the mountainous terrain along the southern part of the Shillong Plateau.