You know when Ian Mckellan was playing Gandalf in the LOTR movies and Elijah Wood, as Frodo, was serving him tea? Same thing here, I think they referred to it as forced perspective or some such thing.
That dude is not standing right next to that bat.
The other dudes crotch is closer but still probably not right next to it.
Just sayin', and I am typically not a ney-sayer.
I do some of my very best work in water. Like this tiny ad: