The tunnels at <a href="https://en.wikipedia.org/wiki/Kelly_Tarlton%27s_Underwater_World" class="extiw" title="en:Kelly Tarlton's Underwater World">Kelly Tarlton's Underwater World</a> in <a href="https://en.wikipedia.org/wiki/Auckland_City" class="extiw" title="en:Auckland City">Auckland City</a>, <a href="https://en.wikipedia.org/wiki/New_Zealand" class="extiw" title="en:New Zealand">New Zealand</a>. The tunnels were apparently the first worldwide to use curved panels to create viewing tunnels instead of the previous method of viewing windows at the sides of the tanks.
<a href="//commons.wikimedia.org/wiki/User:Ingolfson" title="User:Ingolfson">Ingolfson</a>
2009-01-01
<span class="int-own-work">Self-photographed</span>