She walked toward a small elevator and got on. Alex followed in, and the woman put her hand on a scanning pad before the elevator dinged and started going down.
Alex was curious how many sub-levels this company had, but he could tell there were a few.
There were no numbers in the elevator, so he had no idea how fast it went down, or how far down it went, but when he felt a little pop in his ear, he knew they were deep because the atmospheric pressure had changed.
Using his excellent memory, he remembered from his science classes in high school that this only happened after reaching almost a kilometre of depth underground.
Alex felt the elevator slow down and understood they had reached their destination.
*Ding!*
As the elevator doors parted, bright artificial lighting greeted them both, along with the sound of gunshots and shouts.
