[MeechMunchie]

Fun Fact: Cyrodiil was tangled Amazonesque jungle, with the native Imperials being based on extinct Mesoamerican empires (Mayans, Aztecs etc).

Then the Lord of the Rings movies came out. All lore referring to Cyrodiil's original incarnation has been retconned to in-universe translation errors.

Prior to this, Tamriel's token Green And Pleasant Land™ was Hammerfell. Some of the Oblivion team have acknowledged that this would have been a more sensible choice.