El Ojo is a mysterious, uninhabited floating island in Argentina's swampy Paraná ... "We found the perfect circle, as seen from the air," Neuspiller told the newspaper El Observador at the ...

Users can choose their avatars and explore a metaverse in which 12 islands, along with gates, pavilions, the expo’s huge roof ring and other highlights, float in the air. The exterior and ...

They're floating away. Floating away? But how? Did you ever wonder why hot air balloons float? You may already have some ideas. Think about them and then choose one of the options below that seems ...