Good place to take kids for educational experience but basically a big greenhouse; interesting scientific experiments; owned and run by the university of Arizona; rather pricey at twenty dollars per adult for a couple of hours but you are supporting science; the most impressive were the twin ?lungs? made of hypalon rubber [6 tons] and steel [14 tons] and the tunnels that lead into it; nice to visit once; nice educational posters everywhere; interesting architecture
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