<a href="https://id.wikipedia.org/wiki/Gua_Jomblang" class="extiw" title="id:Gua Jomblang">Jomblang Cave</a> - taken during a photo trip to Indonesia in 2018 - by Thomas Fuhrmann - see more pictures on www.snowmanstudios.de
<a href="//commons.wikimedia.org/wiki/User:Snowmanstudios" title="User:Snowmanstudios">Thomas Fuhrmann</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>