div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: · · 2013-03-11River valley and sub-Saharan Africa the Indus River valley the Yellow River or Huang He valley Papua-New Guinea Mesoamerica and the Andes Pastoralism developed src=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: · · 2013-03-11River valley and sub-Saharan Africa the Indus River valley the Yellow River or Huang He valley Papua-New Guinea Mesoamerica and the Andes Pastoralism developed src=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 3button div class=ts-image a href=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5page3jpg target=_blank amp-img class=ts-thumb alt=Page 3: · · 2013-03-11River valley and sub-Saharan Africa the Indus River valley the Yellow River or Huang He valley Papua-New Guinea Mesoamerica and the Andes Pastoralism developed src=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 4button div class=ts-image a href=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5page4jpg target=_blank amp-img class=ts-thumb alt=Page 4: · · 2013-03-11River valley and sub-Saharan Africa the Indus River valley the Yellow River or Huang He valley Papua-New Guinea Mesoamerica and the Andes Pastoralism developed src=https:reader039vdocumentinreader039viewer20220305235acb95437f8b9ab10a8b6b03html5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdiv