The audio signal is either broadcast through a small transmitter in the store (no internet required, just power), or played directly through the stores' existing music system.
Basic amenities such as computers, television sets, music system, sofa sets, beds, mattresses and blankets for teachers and students have been arranged for with the help of donors.
The cave was developed between 1987 and 1989 by building a shaft (which is the only man-made entrance) and putting in pathways, railings, lights and a music system.