How to Build a Modern Secret Underground Base

How to Build a Modern Secret Underground Base - 1 Mr.Heang Update: I am from United States of America (USA). In this video I'm going to show you about how to build a modern underground base with very simple tools and primitive skill ! This underground base I been working very hard with my friend for 19days in a small jungle of South America, we did only two people my friend (camera man) and me (project planner). Underground Base Dimension: Depth 2.9m , width 5.6m, height 4.5m I knew the most of visitor they hard to believe but it real 100% by hand made with tools in video ! If you have any ideas, please leave a comment below my video. I am happy for your constructive feedback. Hope you enjoying my videos !! #Underground #Building #Architecture ------------------------------------- Follow me on Facebook.com/HeangUpdate Follow me on Instagram.com/heangupdate