Tower T1 on the canopy walkway through the rainforest at <a href="https://en.wikipedia.org/wiki/Great_Otway_National_Park" class="extiw" title="en:Great Otway National Park">Great Otway National park</a>, Australia. The walkway is 600 metres in length and up to 25 metres above the forest floor.
<a href="//commons.wikimedia.org/wiki/User:Martinvl" title="User:Martinvl">Martinvl</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>