The document discusses the architectural design of the Milan Expo 2015, which focused on the theme 'Feeding the Planet, Energy for Life' and involved contributions from five architects to create a sustainable and innovative site plan. It highlights key features such as the layout based on ancient Roman urban planning, various thematic areas, and the design of the Vietnam Pavilion, which emphasizes environmental sustainability using bamboo as a primary material. The expo aimed to gather nations to address global challenges while showcasing technological and social advancements through various pavilions and facilities.