Ruling the planet for over a hundred million years just wasn't enough.
Evolving from savage violence, growing into civilization and philosophy...
There's more religious iconography at this site than the last. Huge multi-ton stones are surrounded by sculptures of creatures no one alive has ever seen. Still, they were never really able to find contentment.
The engraved tableau we uncovered earlier this week says they modified the genetic code of their mammal food source to increase the meat yield. No one foresaw the drastic side effects that would come from that.
One step too far? I suppose. It backfired on them, after all. Their whole civilization seems to have imploded on itself after that.
So many achievements over so many centuries spent taming their world and now we still haven't found more than a couple of their cities and random fossil remains.
"Hey, Dave! You done with lunch? We want to get back to the dig while there's still daylight."
"Sure. Just making some notes."
"Thoughts about the dinosaurs, what else? We've got a lot to learn from them."
"Whatever you want to learn from the past better come from all the pictures you take. Bulldozers come through in three days, remember?"
"Right. Can't stop progress, after all."