My Big Question

It's hard to decide on one BIG question because when you start thinking about all of the unimaginable, all of the unknown, an overwhelming amount of questions pop into mind and after that it becomes nearly impossible to stop them from coming. My biggest question is, despite the multiple beliefs and theories, is really how did we get here? If you think about who, or even, what we are it's truly amazing. Here we are, these creatures that are constantly communicating, discovering, thinking, changing, etc, all the time. Where did it start?