Access to the underground workings at the La Camorra mine is via a ramp from the surface, excavated at a -15% grade and connecting numerous levels.
La Camorra is in Venezuela.
( z1 be-located-at :ARG1 ( z2 event :name ( z3 name :op "La" :op "Camorra" ) ) :ARG2 ( z4 country :name ( z5 name :op "Venezuela" ) ) )