Insurmountable Waist-Height Fence/Image Links

Images representing trivial, yet impassable obstacles.


 * Pokémon has some very Egregious examples:
 * You have one-way ledges of DOOM!
 * Or impossible-to-squeeze-past trees.
 * VVVVVV takes this trope to its logical extreme: Gravity Screwing up those rows of spikes and down again just to reach the other side!