div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=peis-polygons-national-gallery-of-art-pei-adopted-the-triangle-and-its-companionhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Peis Polygons - National Gallery of Art · Pei adopted the triangle and its companion the pyramid or tetrahedron as the geometric theme for the new National Gallery East Building loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424055f1d60c2697c054fc27b69behtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=peis-polygons-national-gallery-of-art-pei-adopted-the-triangle-and-its-companionhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Peis Polygons - National Gallery of Art · Pei adopted the triangle and its companion the pyramid or tetrahedron as the geometric theme for the new National Gallery East Building loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424055f1d60c2697c054fc27b69behtml5thumbnails2jpg width=140 height=200 divdiv
