The Amazon lowlands are widest along the jap foundation on the Andes. They slim toward the east until finally, downstream of Manaus, only a slender ribbon of per year flooded plains ( Jugoistočni dio više je neravan, sa složenim masama grebena i planinskih lanaca s vrhuncima do 1200 m. Lanci https://oefranciscagj.webbuzzfeed.com