A dinosaur footprint. By 
He saw the light, coming down from the sky. Brighter than anything that he's seen in his life, made him realize that something wasn't right, but he didn't understand. How could he understand that a meteorite was about to hit the earth?
The noise and the dust after the impact made him run, in a matter of seconds the earth beneath his feet was trembling like the day he lost his parents. The day that they were hunted by the biggest animal he's seen in his life.
Suddenly, there was water on his feet and it was rising very quickly.
He needed to run faster, the water was now at his neck. Under the water, his muscles didn't respond as he was used to. He was fatigued, he breathed once, twice and then for the last time. A meteorite has just killed him...
