The average size of housing units has been around 80 square meters over the past five years.
It is sometimes estimated as being around twenty meters in length.
The area of each cell is around 20 square meters.
The size of the cemetery is around 50,000 square meters.
When finished the whole complex will measured around 182,000 square meters.
The other areas are flat with the highest elevation around 2 to 3 meters.
The average speed of each cabin is around 6 meters per second.
It left 33 miners trapped around 700 meters under the ground.
The cephalofoil is usually around 1 to 1.5 meters long.
The elevation ranges around 700 to 850 meters above sea level.