1 / 150

Pricilla Chan embraces her husband Mark Zuckerberg while announcing the Chan Zuckerberg Initiative to "cure, prevent or manage all disease" by the end of the century during a news conference at UCSF Mission Bay in San Francisco

Pricilla Chan (R) embraces her husband Mark Zuckerberg while announcing the Chan Zuckerberg Initiative to "cure, prevent or manage all disease" by the end of the century during a news conference at UCSF Mission Bay in San Francisco, California, U.S. September 21, 2016. REUTERS/Beck Diefenbach TPX IMAGES OF THE DAY

El día en imágenes

Las mejores fotografías del panorama de la actualidad internacional.