Ключевые слова: america, american, architectural, architecture, arizona, biosphere, biosphere 2, blue, botanical, botany, building, center, conservation, copy, copy space, copyspace, ecology, ecosystem, education, energy, engineering, experiment, experimental, exterior, greenhouse, habitat, hothouse, outdoor, outside, panorama, power, renewable, research, scientific, sky, space, station, technology, tucson, university, university of arizona, usa,