This grow was underneath a house in a cave. The entrance was through a secret hydraulic door in the Garage that led to a concrete ramp that went about 50 yards into the ground. Inside the cave was living quarters and a secret escape hatch that Led you through a tunnel that exited via another hydraulic door that opened up a rock on the outside. The set up Allowed them to harvest every 60 days which resulted in multi-million Dollar sales. One of the guys busted was living in a house on the water in FL. and had a nice yacht. One of the agents here in Nashville worked on this for 5 years Before the warrant was finally served in December.