Stone Against Gravity

Three hundred tonnes of oxidized slate wrap each volume — the cladding is the structure, not a veneer applied after.

Upward-cast warm light catches the fractured facets, turning near-black rock into a hillside beacon for the entire valley.

Santo Domingo was Medellín's most underserved hillside — the library park gives civic infrastructure the same skyline weight as a cathedral.

Locally quarried dark slate with visible oxidation bands — visitors run their hands across surfaces that age with the building.