div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: The Great Ice Age src=https:reader036vdocumentssitereader036viewer2022080107575067981a28ab0f07ac4440html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1892 Nature Publishing Grouppdiv