A rock formation in the shape of an arch, spanning a gap and carrying rock across it, typically formed where a stream has cut through a narrow neck of rock, or where the collapse of a cave's roof has left a surviving section standing as a span. Natural bridges are distinguished from a natural arch chiefly by their formation directly over active or former flowing water.
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Wikidata: Natural Bridge
Wikidata Q1500978, class allow-list match (w-wdresolver-0926)View the Source Natural Arch Formation (Wikipedia)
Wikimedia FoundationShaped By: Natural Arch Formation, LeadQuote, Shaped By: Natural Arch Formation, Lead
Natural arches commonly form where inland cliffs, coastal cliffs, fins or stacks are subject to erosion from the sea, rivers or weathering (subaerial processes).
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