The Amazon lowlands are widest together the jap base from the Andes. They slender toward the east right until, downstream of Manaus, merely a slim ribbon of every year flooded plains ( Jugoistočni dio više je neravan, sa složenim masama grebena i planinskih lanaca s vrhuncima do 1200 m. Lanci https://gbrobertobi.theideasblog.com