Weekend Argus (Saturday Edition) - - GOODPOSTER -

IT’S not all sand in the US’s Ari­zona desert.

You also can find a rain for­est, a sa­van­nah and even an ocean. What’s even more strange: they are all in­side.

Those very dif­fer­ent en­vi­ron­ments are part of Bio­sphere 2, a se­ries of in­ter­con­nected build­ings that look like gi­gan­tic green­houses from the fu­ture. A group of sci­en­tists works there. And be­cause it is open to the pub­lic, there are lots of visi­tors, too.

“Once you take a tour, you’re pretty much hooked,” says Mary Kay Car­son, the au­thor of the new book In­side Bio­sphere 2. “It’s a oneof-a-kind place.”

Con­struc­tion on Bio­sphere 2 be­gan in the 1980s and lasted four years. It was in­tended to be a self­con­tained unit in which peo­ple

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