I recommend this video (from Harvard Math Department) "Locally symmetric spaces, and Galois representations" https://www.youtube.com/watch?v=cFdm0B9KLcQ https:

I recommend this video (from Harvard Math Department) "Locally symmetric spaces, and Galois representations" https://www.youtube.com/watch?v=cFdm0B9KLcQ https://www.youtube.com/watch?v=cFdm0B9KLcQ He connects Galois Theory and Hyperbolic Geometry and off you go!