The Ocean Voyager exhibit tunnel. This image is a panorama of 3 stitched photos to give a greater angle of view. Taken by myself on January 23rd with a Canon 5D and 17-40mm f/4L.
<a href="//commons.wikimedia.org/wiki/User:Diliff" title="User:Diliff">Diliff</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>