U.S. President Joe Biden and Russian President Vladimir Putin, who are scheduled to meet in Geneva on June 16, may know each other too well. They…
![Looking out from inside the entrance of the Umm Jirsan lava tube cave.](https://static.majalla.com/styles/760x533/public/2024-07/174566.jpeg?h=980be8a6)
U.S. President Joe Biden and Russian President Vladimir Putin, who are scheduled to meet in Geneva on June 16, may know each other too well. They…