Corrected entry: When Alan becomes overwhelmed after seeing the movie's first dinosaur, he staggers and sits down on the ground... But as he is bending over before sitting, there are already grass stains and/or wet spots on the seat of his pants.
Bishop73
5th Apr 2017
Correction: I've watched this scene plenty of times and there are no grass stains on his pants.
There are definitely stains on his pants. Clearly visible in 4K.
Then I suggest submitting a screen shot because in the clearest images I can't see any stains or wet spots.
Bishop73