Biosphere 2 in Arizona, United States, 3.15 acres (13,000 m2). BIOS-1, BIOS-2 and BIOS-3 at the Institute of Biophysics in Krasnoyarsk, Siberia, in what was then the Soviet Union.[33] Biosphere J (CEEF, Closed Ecology Experiment Facilities), an experiment in Japan.[34][35] Micro-Ecological Life Support System Alternative (MELiSSA) at Universitat Autònoma de Barcelona