"Hundreds of pounds of marajuana" ?

I have never seen or held 1 pound of marajuana.......I do not smoke anymore but I do remember that I have been around people who have had 1 ounce of weed AND sealed in a freaking zip-lock bag and you could smell the stuff. HOW THE HECK do you keep hundreds of pounds under wraps?

This is so baffling to me......Like garbage men that work on the back of garbage trucks without oxygen masks for the garbage juice.

CRAZY!