Well! one upon a time there were no human on this planet . That was a time when our earth are in its initial phase, that was the time of big , very big creature live on this planet. So there were no such intelligent creature like us over that time . And becouse of rapid continue change happening here . Alians decided to choose this place for study, to understand how this nature works. Well they continue visit here again and again, thus after a lot of research they find place good for life. Thus they decided to choose some of there children to stay here for rest of there life and thus as a result we evolved and became human. This is the story of us . And how we came in existence.

I may think it's may suit your pictures. And my friend I try to connect my story with you pictures . Well may you like it.