Expo 2012 in South Korea is site of cutting - edge experimental buildings . Korea pavilion is hi - tech and carbon - negative . Japan pavilion based on principles of biomimicry with ventilation ' . ' Architects of theme pavilion were not sure it could be built .
Expo 2012 in South Korea is site of cutting-edge experimental buildings . Korea pavilion is hi-tech and carbon-negative . Theme pavilion draws on concepts of biomimicry with ventilation 'gills ' Architects of theme pavilion were not sure it could be built .