The <a href="https://en.wikipedia.org/wiki/Cave_Automatic_Virtual_Environment" class="extiw" title="w:Cave Automatic Virtual Environment">Cave Automatic Virtual Environment</a> at EVL, University of Illinois at Chicago. This shows a user (me) inside the CAVE.  It was taken when the CAVE was being upgraded to use new 5000-lumen Christie Mirage DLP projectors.
<a href="//commons.wikimedia.org/wiki/User:Davepape" title="User:Davepape">User:Davepape</a>
2001-08-27
own work (self-photograph using timer)