<p>Made of 4 different exposition settings (0.5, 5, 10, 15)
</p>
<a href="https://en.wikipedia.org/wiki/en:Olympic_Stadium_(Montreal)" class="extiw" title="w:en:Olympic Stadium (Montreal)">Olympic Stadium of Montreal</a> from back-left
<a href="//commons.wikimedia.org/wiki/User:Acarpentier" title="User:Acarpentier">Acarpentier</a> (photograph); <a href="//commons.wikimedia.org/wiki/Category:Roger_Taillibert" title="Category:Roger Taillibert">Roger Taillibert</a> (architect)
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>