Polar bears play in the Prague Zoo.
Reuters
Donald Trump campaigns with son Eric in Las Vegas.
AP
Refugee children rest as they wait to cross the Greek-Macedonian border.
AP
First lady Michelle Obama jokes with members of the audience as she speaks in the State Dining Room at the White House.
AP
Men play accordions during a folk performance in Moscow.
AP
Wreckage is strewn in LaPlace, La., following tornadoes in the area.
AP
African lion Mandela gets an annual checkup at the Perth Zoo in Perth, Australia.
Reuters
Lightning strikes in front of the Christ the Redeemer statue in Rio de Janeiro.
EPA
Hillary Clinton yuks it up with a supporter at a Charleston, S.C., campaign stop.
Reuters
Dwarf honey bees drink nectar from a flower in Bangkok.
EPA
A Culinary Workers Union protester rocks a Donald Trump mask in Las Vegas.
EPA
A model walks for Gucci in Milan.
Reuters
A European fire-bellied frog rests in a rescuer’s hand in Hont, Hungary.
EPA
Giraffes explore their Jerusalem Biblical Zoo enclosure.
Reuters
Sen. Bernie Sanders (I-Vt.) campaigns in Kansas City.
Reuters
A newborn hippo goes for a swim in the Prague Zoo.
AP
