ThedreamofsendinghumanstoMarsiscloserthaneverbefore.Infact,manyscientiststhinkthatthefirstpersontosetfootontheRedPlanetisalivetoday.Butwhereshouldthefirstexplorersvisitwhentheygetthere?
Horizonhasgatheredtheworld'sleadingexpertsonMarsandaskedthem:wherewouldtheygo,iftheygotthechance-andwhatwouldtheyneedtosurviv...
