23 Of The Most Powerful Photos Of This Week

Firefighters rest while defending the Mount Wilson Observatory during the Bobcat fire in Los Angeles County, Sept. 17.

A firefighter works at the scene of the Bobcat fire burning on hillsides near Monrovia Canyon Park in Monrovia, California, on Sept. 15.

Fire retardant is seen after it was dropped as the Bobcat fire burns in the Angeles National Forest near Los Angeles, Sept. 17.

The melted sign of the Oak Park Motel, destroyed by the flames of the Beachie Creek fire, is seen in Gates, Oregon, on Sept. 13.

Dee Perez comforts Michael Reynolds in the ruins of his home destroyed in the Almeda fire in Talent, Oregon, Sept. 15.

A jaguar crouches in an area recently scorched by wildfires at the Encontro das Águas Park in the Pantanal wetlands near Poconé, Brazil, on Sept. 13.

A view from a drone shows a vehicle driving through a flooded street after Hurricane Sally on Sept. 17 in Gulf Shores, Alabama.

A man watches floodwaters caused by Hurricane Sally in downtown Pensacola, Florida, on Sept. 16.

Immigrants carry their belongings as they flee to the capital of Mytilene, on the northeastern island of Lesbos, Greece, on Sept. 17, after fire destroyed a refugee camp.

The new temporary refugee camp on the northeastern island of Lesbos, Greece, on Sept. 17, after more than 5,000 asylum-seekers were left homeless when Greece's notoriously overcrowded Moria Camp burned down.

Greenpeace's Arctic Sunrise ship navigates through ice in the Arctic Ocean on Sept. 15.

The Tyra East and Tyra West oil and gas processing platforms are pictured as the work of scrapping and recycling of the Tyra Field platforms is underway at the Port of Frederikshavn in Denmark on Sept. 15.

A memorial for James Scurlock near where he was shot and killed on May 30 in Omaha, Nebraska, is seen Sept. 16.

Paul Rusesabagina is handcuffed by a police officer after his pretrial court session at the Kicukiro Primary Court in Kigali, Rwanda, on Sept. 14.

A pig with a lung injury is connected to a ventilator prototype at the veterinary school of Panama's national university in Panama City, on Sept. 17.

A mother carries her newborn baby toward a makeshift window where health workers tend to them, at the COVID-19 isolation area of Dr. Jose Fabella Memorial Hospital amid the coronavirus outbreak in Manila, Philippines, on Sept. 18.

Kindergarten teacher Princess Bryant and paraprofessional Emily Lichtenstein meet their incoming students and parents remotely before the first day of classes of the new school year in Boston on Sept. 18.

People watch as actors of a French street theater company perform in the façade of a building in Nantes, France, on Sept. 18.

Slovenia's Primož Roglič, wearing the overall leader's yellow jersey, climbs the Loze pass during the Tour de France cycling race, Sept. 16.

Cyclists hanging under the Grenoble Bastille cable cars during the Tour de France cycling race, Sept. 16.

An aerial view of kayaks sitting near cracked earth in the bed of the dried-out Doubs River, on Sept. 15 in Villers-le-Lac, France.

A model wears a creation by Rubearth during the Mercedes-Benz Fashion Week in Madrid on Sept. 13.

A pupil wearing a face mask enters the schoolyard on the first day of classes of the new academic year, during the ongoing coronavirus pandemic, in Tirana, Albania, on Sept. 14.