The original piece from 1996 required the Adobe/Macromedia Shockwave plugin to be installed in your browser. As of 2019 Adobe has decided to stop supporting the Shockwave plugin. This decision means you can not access the original interactive version of the artwork anymore.
In 2012 the work was recreated for modern browsers. This is the version you can access below.
Restored version, 2012 (opens in a separate windows)