its the double decker living root bridge in Cherapunji (Meghalaya). Hundreds of people can walk over it &amp; it wouldn't even shake a little.
<a href="//commons.wikimedia.org/w/index.php?title=User:Sanat5357&amp;action=edit&amp;redlink=1" class="new" title="User:Sanat5357 (page does not exist)">Sanat5357</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>