UNDERGROUND Comparison (3D)

These are the DEEPEST underground STRUCTURES, represented on a real scale, mines, caves, cities, tunnels, installations, etc. Note: Depth is measured from the lowest point to the surface, not to sea level. ????MUSIC: ALGO by Iker Jiménez Link: • #ALGO disco compl... ????MY WEBSITES???? ????JOIN: / @metaballstudios ????Instagram: https://www.instagram.com/metaballstu... ????Twitter: https://twitter.com/MetaBallStudios ????Facebook: https://www.facebook.com/metaballstud...