<sod>[[File:Wiki bio2 sunset 001.jpg|thumb|Biosphere 2 sits on a sprawling {{convert|40|acre|ha|sing=on|abbr=off}} science campus that is open to the public]]<eod>
<sod>[[File:Wiki bio2 sunset 001.jpg|thumb|Biosphere 2 sits on a sprawling {{convert|40|acre|ha|sing=on|abbr=off}} science campus that is open to the public]]<eod>