[ORGANIZATION]
Municipality of Olavarría
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Situations
Spanish historic canal preservation
2 clusters · 13 sources · last updated
Latest: Olavarría Mayor Halts Los Palmares Urban Project After Legal Ruling
In early July 2026, work to extend Madrid’s Line 11 metro uncovered a well‑preserved section of the 16th‑century Canal de Manzanares. Archaeologists began documenting the find, and heritage groups warned that the discove