Hang Son Doong

Rainforest or Jungle?

"Son Doong Cave is world's larges cave discovered in 2009"

http://www.sondoongcave.org/

Is the cave itself a jungle as in "jungle cavern" and the interior plants and animals part of a rainforest, so the cave would have its own jungle cavern and its own rainforest?

interesting online article about hang son doong cave:  

https://www.telegraph.co.uk/news/earth/earthpicturegalleries/8667804/Vietnam-caves-inside-the-giant-jungle-cavern-of-the-Hang-Son-Doong.html

Are the jungles more in Cambodia, and the rainforests more in Vietnam?

https://www.lonelyplanet.com/maps/asia/vietnam/

many information resources online for Hang Son Doong cave in Vietnam ...

https://hk.asiatatler.com/life/dream-destinations-loui-lim-cave-trekking

https://saigoneer.com/vietnam-travel/3919-unreal-drone-and-timelapse-video-of-vietnam-s-son-doong-cave