There are a few places in the world where the fabric of history stretches very thin, and it seems like you can peer through it and connect with the people from Eras Long Ago. It doesn’t happen very often because most of the time the ruins and relics seem too much from another era- I really enjoyed the Roman Forum, for example, but the fact that Caesar walked there seems more an intellectual exercise than reality- but every once in awhile you come across something that reminds you that history is filled with people just like you instead of just a story or abstraction.
To cut to the chase, the Hagia Sophia is one of these places. It was the reason I wanted to get to Istanbul, a task it lived up to as I got tears in my eyes at some points taking all of it in-