美国和以色列对伊朗发动袭击，世界反应如何

Uncover the latest updates on the ongoing war in the Middle East, with a comprehensive recap of the key events that unfolded on Thursday.

Melissa Chiu, the renowned director of the Hirshhorn Museum, is leaving the Smithsonian to lead the prestigious Guggenheim Museum in New York - a move that signals a significant change in the art world.