A firefighter stops to look at a wall of fire

A firefighter stops to look at a wall of fire while battling a grass fire in Knightsen, California
Jose Carlos Fajardo/Bay Area News Group/San Jose Mercury News via AP

People look at the destroyed compound of Abu Bakr al-Baghdadi

People look at the destroyed compound of Abu Bakr al-Baghdadi near the village of Barisha, in Idlib province, Syria
AP Photo/Ghaith Alsayed

A woman dressed as Catrinas

A woman dressed as Catrinas poses for a photo as she joins a parade on Mexico City's iconic Reforma Avenue during celebrations for the Day of the Dead in Mexico City
AP Photo/Ginnette Riquelme

A crescent moon rises in the pre-dawn sky over the Empire State Building

A crescent moon rises in the pre-dawn sky over the Empire State Building in New York City
FOX News/Gary Herhsorn

Riders herd bison during the annual roundup

Riders herd bison during the annual roundup on Antelope Island in Utah
AP Photo/Rick Bowmer

The church tower of Kronberg and Frankfurt's television tower

The church tower of Kronberg and Frankfurt's television tower rise through the fog as the sun rises over Frankfurt, Germany
AP Photo/Michael Probst

A police water cannon sprays anti-government demonstrators

A police water cannon sprays anti-government demonstrators in Valparaiso, Chile
AP Photo/Matias Delacroix

This image released by the Department of Defense taken from a remotely piloted aircraft

This image released by the Department of Defense taken from a remotely piloted aircraft shows the compound of Islamic State leader Abu Bakr al-Baghdadi as it is destroyed in Syria
Department of Defense via AP

A dog walker walks through early morning fog in Clapham Common

A dog walker walks through early morning fog in Clapham Common in London, England
Dan Kitwood/Getty Images

A dog jumps over a puddle in front of the skyline of lower Manhattan

A dog jumps over a puddle in front of the skyline of lower Manhattan at sunset in New York City
Gary Herhsorn/FOX News

Chinese paramilitary policemen stand guard under the portrait of former leader Mao Zedong

Chinese paramilitary policemen stand guard under the portrait of former leader Mao Zedong outside the Tiananmen Gate in Beijing
AP Photo/Andy Wong

The white glow of zodiacal light near Hajnacka

The white glow of zodiacal light is visible in the night sky as photographed near Hajnacka, southern Slovakia
Peter Komka/MTI via AP