Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Vasconcelos Library. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Vasconcelos Library. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Vasconcelos Library. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Vasconcelos Library. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Vasconcelos Library. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Vasconcelos Library. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Vasconcelos Library. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Garden at the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Model of the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Plan of the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of the Vasconcelos Library. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Plan of Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Model of Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Model of Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Casa Negro. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Galería Kurimanzutto. Image © Pedro Rosenbleuth

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Plan of Galería Kurimanzutto. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Construction photo of Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Model of Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Plan of Reforma 27. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Tower 41. Image © Yoshihiro Koitani

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Plan of Tower 41. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Model of Tower 41. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of Tower 41. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of Tower 41. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of Tower 41. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of Tower 41. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”,Sketch of Tower 41. Image Courtesy of Alberto Kalach

Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”

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Alberto Kalach: “Imagine if All Rooftops in Our City Were Green!”