Do you think these people can handle the idea of how far the humanity has come ever since the ancient times?

a href="http://news.yahoo.com/nphotos/Uncontacted-Amazonian-tribe-photographed-indigenous-peoples-Acre-Peru/ss/events/wl/052908amazontribe/s:/nm/20080529/sc_nm/brazil_tribe_dc/im:/080530/photos_sc/2008_05_30t092104_450x306_us_brazil_tribe/;_ylt=AiWyJ1aBEsQ4M2goT_QIuP8iANEA#photoViewer=/080529/481/81290d601daf4dd2949f6a068b5e5119"http://news.yahoo.com/nphotos/Uncontacte…/a