A woman wearing skull makeup participates in the Day of the Dead festivities in Mexico City on October 27, 2016. The holiday honors the dead as friends and families gather in cemeteries to decorate their loved ones' graves and hold vigil through the night on November 1 and 2. #

Max, age 10, runs by as shepherds lead their sheep through the center of in Madrid, Spain, on October 23, 2016. Shepherds guided a flock of 1,000 sheep through Madrid in defense of ancient grazing, droving and migration rights increasingly threatened by urban sprawl and modern agricultural practices. #

Brown high water marks are still visible halfway up the trunks of trees lining the banks of the Doce River, in Paracatu, Brazil, almost a year after a dam holding back a giant pond of mine waste broke open, unleashing a tsunami of mud that killed 19 people, buried entire towns and polluted hundreds of miles of rivers, streams and forest land in Brazil's Doce River Valley. Photo taken on October 13, 2016. #

Protesters against the Dakota Access Pipeline stand-off with police in this aerial photo of Highway 1806 and County Road 134 near the town of Cannon Ball, North Dakota, on October 27, 2016. #

Asian small-clawed otters try to grab treats hidden inside a pumpkin during a preview for the Woodland Park Zoos Pumpkin Bash, in Seattle, Washington, on October 27, 2016. #

A protester reacts as Turkish anti-riot police use a water cannon, on October 26, 2016, during a demonstration against the detention of the Kurdish-majority city's co-mayors in Diyarbakir. Gultan Kisanak and Firat Anli were taken into custody on October 25, 2016 at night in a surprise move against the leaders of a city hit by renewed fighting between Turkish forces and members of the outlawed Kurdistan Workers' Party (PKK). #

Newly-displaced Iraqis who fled from the city of Mosul are reunited with their relatives who came two years ago to the refugee camp in the Khazer area, near near the Kurdish checkpoint of Aksi Kalak, on October 26, 2016. The United Nations Office for the Coordination of Humanitarian Affairs (OCHA) Stephane Dujarric told reporters that almost 9,000 people are internally displaced as a result of the Mosul military operation in Iraq. #

U.S. Senator Elizabeth Warren greets democratic presidential nominee Hillary Clinton during a campaign rally at Saint Anselm College on October 24, 2016 in Manchester, New Hampshire. #

Riders on horseback herd bison during an annual roundup on Antelope Island, Utah, on Saturday, October 22, 2016. Utah State Parks workers are moving the animals from across the island so they can be weighed, tagged and given health checkups. #

A Johannesburg firefighter extinguishes a burning bus torched by demonstrators following skirmishes between students protesting for free high education and South African police on October 25, 2016 in Johannesburg. Weeks of protests at South African universities have targeted tuition fees -- but students say they are also about racism and inequality in a society still plagued by the legacy of apartheid. #

A view of one of the latest murals near Glasgow cathedral on October 26, 2016 in Glasgow, Scotland. The murals have been appearing across the city for a since 2008 with new ones appearing on a regular bases rejuvenating bare walls revitalizing tired corners of Glasgow. Now a new Mural Trail has been devised with a huge range of them on display within a short walking distance from the city center. #

Members of the "Barrio 18" gang are arrested by agents of the Investigation Direction Police (DPI) during a raid in Tegucigalpa, on October 24, 2016. At least five members of "Barrio 18" gang where arrested during a raid in a property of a residential zone of the Honduran capital, in possession of weapons, ammunition, military and police uniforms. Honduras is considered one of the most violent countries in the world, with a murder rate of 60 homicide per 100.000 inhabitants. #

An aerial views shows the pacific island of Nishinoshima, also known as Rosario Island, where researchers started surveillance activities for the first time since its eruption in 2013, some 1,000 kilometers south of Tokyo, Japan, on October 20, 2016. #

A boy pauses on his bike as he passes an oil field that was set on fire by retreating ISIS fighters ahead of the Mosul offensive, on October 21, 2016 in Qayyarah, Iraq #

A photo taken on October 28, 2016, shows a damaged car in the "red zone", an area cordoned off for safety reasons, in Camerino, where 80 per cent of the houses have been left uninhabitable after two earthquakes hit the region. Italy on October 28 vowed to rebuild every home destroyed after two powerful earthquakes that forced thousands to flee in terror but "miraculously" did not cause any fatalities. Following two powerful 6.1 and 5.5 magnitude quakes on October 26 which left almost 5,000 people homeless. #

A migrant walks inside an abandoned warehouse in Belgrade, Serbia, on October 27, 2016. More than 200 migrants have turned a former warehouse in central Belgrade into their temporary home. Several thousand migrants are stuck in Serbia looking for ways to cross into the European Union using clandestine routes and the help of people smugglers. #

Saida Ahmad Baghili, 18, who is affected by severe acute malnutrition, sits on a bed at the al-Thawra hospital in the Red Sea port city of Houdieda, Yemen, on October 24, 2016. #

A Rebel fighter from the Jaish al-Fatah (or Army of Conquest) brigade takes cover while firing a mortar launcher during a major assault on Syrian government forces West of Aleppo city on October 28, 2016. Syrian opposition fighters launched an assault on government forces to break a months-long siege of rebel-held neighborhoods of the battered city of Aleppo. Rebel groups including the powerful Ahrar al-Sham faction and former Al-Qaeda affiliate Fateh al-Sham Front fired waves of rockets into government-held western Aleppo, killing at least 15 civilians, a monitor said. #

Pumpkins for sale sit in falling snow near Port Ewen, New York, as the first winter weather of the season moved into parts of the northeast U.S. on October 27, 2016. #

A member of the riot police throws a tear gas bomb during a protest by students opponent to Nicolas Maduro's government in San Cristobal, state of Tachira, Venezuela on October 24, 2016. #

People take photos through a fence as the motorcade carrying Democratic presidential candidate Hillary Clinton arrives at a Univision studio in Hialeah, Florida, on October 25, 2016. #

A migrant is seen onboard the rescue vessel Responder, a rescue boat run by the Malta-based NGO Migrant Offshore Aid Station (MOAS) and the Italian Red Cross, before arriving in the Italian harbour of Vibo Marina, Italy, on October 22, 2016. #