Joel Robuchon - Mansion MGM Grand, Las Vegas Read the Wine Spectator Magazine review! Planterra designed and installed the indoor terrace garden at the Robuchon. The gently curving living wall is 14 feet high by 40 feet long, and is planted with 832 ivies. 2006 Grand Award Winner Interiorscape Magazine Best Projects Award View 1 View 2 View 3 View 4