Modern, sustainable architecture will be coming to Kazakhstan in a big way in 2017, with the capital city of Astana hosting that year’s World Expo. Forty-six designs have been unveiled for the site master plans by architecture firms around the world, on the theme of ‘Future Energy.’ Each concept presents a unique perspective on green architecture that creates its own energy and uses it as efficiently as possible, including this futuristic rendering by Studio Pei-Zhu & Slab Architecture.