Autonomous flying robots for safer underground mining inspection and 3D mapping - EIT RawMaterials
Drones Explore Nevada's Historic Sutro Tunnel
The Flying Anemometer: Researchers test hexacopter as wind sensor in world's first 3D wind tunnel - YouTube
Using Drone Technology in a Construction Tunnel Environment | Commercial UAV News
Tunnel Radio SKIA Industrial Drone | Teague
Tokyo Uses Drones To Inspect Their Subway Tunnels
How a Drone Mined Data from a 70-Year-Old Gold Mine
An eerie drone flight under London's streets - BBC Future
Crossrail tunnels 3D mapping - Hovering Solutions
Drone Inside of Chernobyl - Looking for Uranium? | IE
View from a drone inside the SR 99 tunnel - YouTube
Crossrail tunnels 3D mapping - Hovering Solutions
A'dam releases subway construction drone video | NL Times
Propel Tunnel Mini Drone Review Flies Great - YouTube
Drone to explore inside Sutro Tunnel | Serving Minden-Gardnerville and Carson Valley
Drone whirs through East Broad Top tunnels - Trains
Drones Help Inspect the Rail Tunnels - AEROMOTUS
Tunnel drone brings speed, safety | The Standard
Flying a drone through Crossrail tunnels - BBC News - YouTube
Autonomous Drone Navigation System Ends Reliance on GPS | NASA Spinoff
Explore This Giant Tunnel By Drone | Popular Science
Mining Drones: Elios 2 Creates Photogrammetric Models
PRODRONE Develops a Tunnel Inspection Drone | Prodrone | Revolutionary Drones for Professionals
Propel Tunnel Drone
Tokyo Uses Drones To Inspect Their Subway Tunnels
