[JoeDaDude]

I agree, it was very dark. They prohibit photography but some people manage to take a few pics or videos, like this one:

https://www.youtube.com/watch?v=JwDqKWMLSIM

A detailed and lengthy explanation of the necropolis, excavations, and findings is available here:

https://www.youtube.com/watch?v=1kN-6smut2A