Exploring the Thai underground tunnel of hidden geocaching games!
Dangerous Drainage technogenic tunnel, which is necessary for drainage of melted and rainwater from the pond of a cesspool of a cogeneration plant. Previously, it was needed when the CHP plant worked on the shale. The length is about 780 meters! At the end, we were waiting for a geocache game.
![[Top 20] wpopoff challenge by EatingBabies First Victor](https://images.videosashka.com/watch/Eakw3QsOJps)
