The blue dragons, which pack a ferocious sting, have led to several beach closures. Experts say it’s a worrying sign of the warming of the Mediterranean.

© Policía Local Guardamar

A section of the railway bridge, under construction in the country’s northwest, plunged into the Yellow River early on Friday.

© Li Zhanyi/Xinhua, via Associated Press

The delegations include top diplomatic, military and economic officials, a sign that the U.S. and Russia will discuss more than the war in Ukraine.

© Florion Goga/Reuters, Eric Lee/The New York Times