🚧 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: 🢂MY WEBSITES🢀 🔓JOIN: 📷Instagram: 🐦Twitter: 🙂Facebook: 📝SOURCES: All links here -