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Sierra de la Ventana
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Spanish
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Etymology
sierra of the window, from a window-like opening in a natural rock formation.
Proper noun
f Sierra de la Ventana
es mountain range p:suf/Buenos Aires country/Argentina
es town p:suf/Buenos Aires country/Argentina
Further reading
es
es Sierras de Ventania