evidence: Bolivia is a landlocked country bordered by Brazil to the north and east, Peru and Chile to the west, and Argentina and Paraguay to the south. The climate varies by altitude, from cold and arid to humid and semitropical. There is a wide range of biodiversity. [...] Brazil: Brazil and Bolivia have an ongoing dispute over the Isla Suárez/Ilha de Guajará-Mirim, on the Río Mamoré. The Roboré Accord (1958) put the island under Bolivian administration, but did not resolve the issue of sovereignty over the land. [...] Bolivia is a fascinating country, with breathtakingly beautiful geography and unparalleled cultural diversity.