by Olivier Galland, PGP - University of Oslo, Oslo, Norway
Puente del Inca (Argentina) is a natural arch that forms a bridge of the river. It results from the precipitation of carbonates (travertine) brought by the nearby hot springs. Remnants of human constructions (old spa) lay in the middle of natural constructions.
Submitted on 12 March 2012
Credit: Olivier Galland (distributed via imaggeo.egu.eu)
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