Stairway to Heaven and City of Orion Client: Hannsjörg Voth Artist: Hannsjörg Voth Earthen construction: Local craftsmen Finalist Location: Plaine de Marha, Morocco, Africa Technique: Rammed earth Category: Exterior design, art and landscape Facebook Share :Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)