Hidden Earth 2023
Vietnam & Laos 2020 - 2023
45 minute Lecture|Peter Macnab (snablet)

Abstract
Overview of 2020 Laos expedition, 2020 & 2023 Vietnam expedition
A round up of recent Vietnam Cave Project Expeditions to the karst mountain range of Phong Nha Ke Bang Massif (Vietnam) & Hin Nam No (Laos) to continue exploring and surveying the mountains underground rivers.
More from 2023
Lecture|Alan Jefferys (goon)
Scottish Roundup
Lecture|Pete Allwright
Nicola Cave Radio developments
Lecture|Jo White
Snottites, Slime and Oozes – Derbyshire Mine Biofilms
Lecture|Julian Todd
TunnelVR - An easy way to draw 3D surveys that makes sense to people
Lecture|Paul Taylor
Otter Hole Cave Film Project
Workshop|Jonathan Lester
BCRA - Cave Survey Group Meet
Lecture|Jonathan Lester
Unveiling the Hidden Depths: Subterranean Photogrammetry and 3D Scanning for Cave Surveying, Rescue, and Preservation
Lecture|Paul Fairman
A month in TAG, drinking & caving !
Lecture|Marcin Stempniewicz
Using Underwater Photogrammetry to Map the Maria Concordia mine
Lecture|Chris Scaife
Matienzo in the 2020s