An elderly man is buying food at an Asian market.
A person purchases food.
A man purchases a vase at a store.
The man and the little boy are having a picnic in the yard.
A woman rides a tube.
If you dive in without a second thought, you will get fleeced.
There are people outside walking.
The only activity in the picture is a cat eating fish.
It seems there is no way to get human blood plasma from anything but humans.