The Egyptian Afterlife

We have figured out by now that the purpose of the pyramids, for the Egyptians was to provide a way for the souls to be guided into the afterlife. What their conception of the afterlife was, there is still no clarity on that.
The largely held belief is that they thought that the afterlife was like a mirror of the living world without the pain and sorrow. So something like the concept of Heaven later constructed in Christian mythology.
So many questions and almost no answers. Egypt is really a land of mysteries, and no matter how much the modern civilization and technology tries to solve those- the fact is, secrets are what makes the place more exotic.