https://apnews.com/bfb77f420f3f6429b37bdebf0f6bc024 > DUBAI, United Arab Emirates (AP) — The world’s fair in Dubai, a tech-saturated site teeming with talking robots and solar canopies, sought to be the future. > The pandemic-delayed Expo 2020 in the United Arab Emirates closes on Thursday after eight years of anticipation, over $7 billion in investment, 240 million hours of labor and six months of festivities.