HOW?!?

Our (my -I wonder how long it'll take me.) milk comes in 1Pt. glass bottles. These two magically appeared the other day; I blame a shoddy recycle pick-up. 
Well that and the wind - they're several yards from and a few feet above the pavement.

I KNOW they aren't mine for additional reasons:- 
On the rare occasions I get the farm milk it is:-
1. Never in the smaller container (1 & 2 litres).
2. It's weeks since my last one.
3. Different label.  ;¬)