tonderstan who camep the vers-- and ink abouthe first people who arrived in the amazo, and even thesetedobsta. ndstan t future. tonderstan ifouo h on many of tseibutariess who anradsthe vers-- rrator:chthe ritrafs atoawhh locat in amazoa in the 1h century eud and built cities like belém, the rain forest was seen as a rich, but impenetrableesource. until the 1970s, belém was accessible to the rest of brazil only by water. then came a wave of road building. so farthe major investmes theaerenof theasure coenatedg analong e sout then came a wave of road building. withoaou have cheaper cesso th, so farthe major investmes theaerenof theasure coenatedg and with cheaper access, a lot of economic activities become profitable. narrator: two of the biggest activities are cattle ranching and farming. ( chain saw buzzing ) buthe one at clears the land everything else isogging. so whole newowns sprang up herlocated in pará state.nas, this is a boomtown, home to more than 80 sawmills. this is brazil's frontier, a land of opportunity chnortama's oners bumany othe most importantt sos new roads intohe