Why are there giant concrete tunnels in the desert?

It's like we are finally figuring out that this is virtual reality. Seeing the actual workings of an electronic system from inside the system itself. This subject, and as it relates to the simulation theory, is about as interesting as anything can be. 

My take is that we are part of an immense intelligent energy construct that built a virtual reality and has jacked in to many different aviators, of which we are each one. No need for a "god". We are the creator jacked into it's own creation. 

By the way, from an old man, it is nice to see a young lady like you with such a keen interest in physics. Physics is, after all, the basis for everything in the Universe. As well as the multiverse.