TOPSHOT - The flash of an exploding stunt grenade is seen while an University of Witwatersrand student jumps on a falling policeman while another policeman discharged his rubber bullet loaded rifle during a running battle with the police forces on campus during a mass demonstration on October 4, 2016 in Johannesburg.
South African police fired rubber bullets, stun grenades and teargas at student protesters in Johannesburg as authorities tried to re-open the prestigious Wits University after weeks of demonstrations. The university, along with many campuses across South Africa, has been closed for at least two weeks during protests over tuition fees, with violent clashes regularly erupting between students, police and private security guards. / AFP / MARCO LONGARI (Photo credit should read MARCO LONGARI/AFP/Getty Images)
TOPSHOT - Haitian people cross the river La Digue in Petit Goave where the bridge collapsed during the rains of the Hurricane Matthew, southwest of Port-au-Prince, October 5, 2016.
Haiti and the eastern tip of Cuba -- blasted by Matthew on October 4, 2016 -- began the messy and probably grim task of assessing the storm's toll. Matthew hit them as a Category Four hurricane but has since been downgraded to three, on a scale of five, by the US National Hurricane Center. / AFP / HECTOR RETAMAL (Photo credit should read HECTOR RETAMAL/AFP/Getty Images)
Firefighters attempt to control flames as they approach a vineyard in California's Santa Cruz Mountains early on September 27, 2016.
The Loma Prieta Fire has charred more than 1,000 acres and burned multiple structures in the area. / AFP / Josh Edelson (Photo credit should read JOSH EDELSON/AFP/Getty Images)
CHILGOK-GUN, SOUTH KOREA - SEPTEMBER 22: South Korean soldiers wear North Korea's military uniforms and hold North Korea's flags, acting as North Korean soldiers, as they take part in a re-enactment the battle of the Korean war during a commemorative war victory event to mark the 66th anniversary of the the Korean war on September 22, 2016 in Waegwan, South Korea. Korean and US soldiers participated in the event alongside the Korean war veterans from both countries. (Photo by Chung Sung-Jun/Getty Images)
Syrian children play on swings, made from the remnants of exploded rockets in the rebel-held town of Douma, on the eastern edges of the capital Damascus, on September 14, 2016, on the third day of Eid al-Adha Muslim holiday.
The United Nations urged Syria's government to allow immediate aid deliveries to hunger-stricken civilians after a fragile ceasefire was extended for 48 hours by Russia and the United States. In the rebel-held town of Douma in Damascus province, under siege since 2013, doctors said they were hoping the deal would mean the arrival of much-need medical supplies / AFP / Sameer Al-Doumy (Photo credit should read SAMEER AL-DOUMY/AFP/Getty Images)
Jonas Despinasse, from Haiti, sits as he waits for the Custom and Border Protection agents to seek for asylum in the United States, on the Mexican side of the San Isidro Port of Entry, on May 26, 2016, in Tijuana, northwestern Mexico.
On the past couple of weeks some 600 hundred migrants, mainly from Haiti and some African countries, arrived to Tijuana to try to ask for asylum to the U.S. government through the local points of entry. / AFP / GUILLERMO ARIAS (Photo credit should read GUILLERMO ARIAS/AFP/Getty Images)
LONDON, ENGLAND - SEPTEMBER 04: A 120-metre long wooden model of London's 17th-century skyline burns on the River Thames after it was set alight in a dramatic retelling of the story of the Great Fire of London on September 4, 2016 in London, England. The event commemorated the 350th anniversary of the Great Fire of London. (Photo by John Phillips/Getty Images)
IZMIR, TURKEY - JULY 31: People gather during a protest against July 15 failed military coup attempt at Konak Square in Izmir, Turkey on July 31, 2016. Turkish officials accuse U.S.-based Turkish citizen Fetullah Gulen plotting to overthrow the government of President Erdogan as the culmination of a long running campaign to infiltrate Turkish institutions including the military, the police and the judiciary. (Photo by Emin Menguarslan/Anadolu Agency/Getty Images)
A worker in Danang, Vietnam carries a piece of wood to build a fishing boat on Aug. 29 as part of Vietnam's effort to strengthen its fishing fleet amidst the South China Sea dispute.