So you will be allowed to cover a broader range of material and be more creative with the way you choose to present information.
Different- mount olympus is in nyc at the top of the empire state building (an actual place in the human world) & above the world (very top floor that does not really exists to humans); underworld is a place that non humans never see/know of & it's under the world
The answer is RACE it will help you brainstorm