Atilio Malinverno
The main topics of his works were the hills of Córdoba , the Pampas plains , the mountains of Tandil , the coast of Quilmes , the ravines of San Isidro beside the Río de la Plata , and Piriapolis in Uruguay . 
<triplet> Pampas <subj> Uruguay <obj> country <triplet> Río de la Plata <subj> Uruguay <obj> basin country <triplet> Piriapolis <subj> Río de la Plata <obj> located in or next to body of water <subj> Uruguay <obj> country