A region's ability to get this ridiculously cold is actually trickier than it seems, because it requires both extremely dry air and a prolonged darkness. The East Antarctic Plateau happens to have both, since its close enough to the South Pole to be subject to periods of sunlight-free polar...
“This is what the LORD says to his anointed, to Cyrus, whose right hand I take hold of to subdue nations before him and to strip kings of their