https://apnews.com/ffd6c4502d76a3bfc4d9cc3c5bd6f23c > DUBAI, United Arab Emirates (AP) — Dubai opened Expo 2020 in an extravagant ceremony Thursday that bathed the site’s signature central dome in light, a symbolic beacon for the city-state’s hopes that the world’s fair will draw tourists despite the coronavirus pandemic. > Delayed a year by the virus, Expo 2020 has over 190 countries taking part in the event that will last six months. The futuristic extravaganza, complete with individual pavilions feels like an entire city, built on what were once rolling sand dunes on Dubai's southern edges.