Do you guys think the halo 3 map "Epitaph" or "citadel" has anything to do with halo 5 ? It is surrounded by desert (like in the trailer) and it is Rumored to be the grave of 032 mendicant bias . (Who may also make an appearance in halo 5)
EDIT: Im taking about the location, not the maps
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I considered this before too. Big empty sand maps look just like the Halo 5 trailer.