Fig. 6
From: Void discovery inside Esztramos Hill using muographic methods

(A) Voxels of the low density anomaly (inverted density is in the \(2.5-2.6 \ \mathrm {g/cm^3}\) range) colored by elevation. (B) The continuation of the raise’s cave in the southern direction with the person holding the flashlight standing in the position of Run143.