This has nothing to do with the S5 map. It's a hint to the starting location of the S4 Easter Egg which was solved a couple hours ago. The "Giants Graveyard" is referring to the map Discarded as the starting location for the EE.
This has nothing to do with the S5 map. It's a hint to the starting location of the S4 Easter Egg which was solved a couple hours ago. The "Giants Graveyard" is referring to the map Discarded as the starting location for the EE.
This guy got it.