Pi in the Sky SkyTyping over San Francisco Bay Fremont CA 09/12/12 Ishky Zero1 SkyWriting

Pi in the Sky SkyTyping over San Francisco Bay Fremont CA 09/12/12 Pi in the sky SkyTyping Sky Typing San Francisco Bay Area Airplanes Numbers Fremont CA Skywriting Sky Writing “Pi in the sky“ Ishky Zero1 Biennial