Assertion: root bridge | /r/HasProperty | formed
Facets:
value: commonly
type: TEMPORAL
value: by training young ficus elastica roots
type: MANNER
Source sentences:
text: A living root bridge is formed by guiding the pliable roots of the Ficus elastica tree across a stream or river, and then allowing the roots to grow and strengthen over time until they can hold the weight of a human being.
text: Root bridges are also commonly formed by training young Ficus elastica roots over scaffolds made from wood or bamboo, materials which are abundant in Northeast India.