Donna Strickland, an associate professor at the University of Waterloo, poses with her paper that started her career 30 years ago, after winning the Nobel Prize for Physics at her home in Waterloo, Ontario, Canada October 2, 2018.

U.S. Supreme Court Associate Justice Brett Kavanaugh takes his oath during his ceremonial public swearing-in as U.S. President Donald Trump and Kavanaugh's daughters Liza and Margaret look on in the East Room of the White House in Washington, U.S., October 8, 2018.

A protester sits on the lap of "Lady Justice" on the steps of the U.S. Supreme Court building as demonstrators storm the steps and doors while Judge Brett Kavanaugh is inside being sworn in as an Associate Justice on Capitol Hill in Washington, U.S., October 6, 2018.

A Turkish forensic expert is seen as he works inside Saudi Arabia's consulate as a part of the Saudi journalist Jamal Khashoggi investigation, in Istanbul, Turkey October 15, 2018.

Dan Thompson (left) and her partner, Nick Frankruyter, share a joint on the day Canada legalizes recreational marijuana at Trinity Bellwoods Park, in Toronto, Ontario, Canada, October 17, 2018.

People walk in a field of fireweed, or Kochia scoparia, at the Hitachi Seaside Park in Hitachinaka, Japan, October 22, 2018. Fireweed is a grass bush that takes on a bright red colour in autumn.

Vatanyu Yansri competes in Chonburi's annual buffalo race festival in Chonburi province, Thailand October 23, 2018.

Police officers stand near the "Statue of Unity" portraying Sardar Vallabhbhai Patel, one of the founding fathers of India, during its inauguration in Kevadia, in the western state of Gujarat, India, October 31, 2018.

A resident walks through debris as heavy rain and flash floods hit Sant Llorenc de Cardassar on the island of Mallorca, Spain, October 10, 2018.

Security personnel are seen at the site of a train derailment at Sidi Bouknadel near the Moroccan capital Rabat, Morocco, October 16, 2018.

Britain's Prince Harry and Meghan, Duchess of Sussex, interact with Luke Vincent, 5, after arriving at Dubbo airport, Dubbo, Australia October 17, 2018.

Jair Bolsonaro, far-right lawmaker and presidential candidate of the Social Liberal Party (PSL), gestures at a polling station in Rio de Janeiro, Brazil October 28, 2018.

Rescue workers of crashed Lion Air flight JT610 carry a bag of debris off a boat at Tanjung Priok port in Jakarta, Indonesia, October 30, 2018.

An aerial view of an area devestated by an earthquake in Palu, Central Sulawesi, Indonesia October 1, 2018. Image used for illustrative purpose.

A woman stands on the footbridge over the river Garry near Pitlochry, Scotland, Britain October 10, 2018.

Rapper Kanye West shows President Donald Trump his mobile phone during a meeting in the Oval Office at the White House in Washington, U.S., October 11, 2018.

A girl cries as she watches the body of Mehraj-ud-Din Bangroo, a suspected militant, who according to local media was killed in a gunbattle with Indian security forces, during his funeral procession in Srinagar October 17, 2018.

The android robot 'totto', which was modeled on Japanese TV personality Tetsuko Kuroyanagi, is seen during its demonstration at World Robot Summit in Tokyo, Japan, October 17, 2018.

A member of the U.S. Border Patrol Tactical Unit (BORTAC) acknowledges family members after they illegally crossed the Rio Grande river into the United States from Mexico in Fronton, Texas, October 18, 2018.

A disabled Palestinian is helped as he uses a sling to hurl stones at Israeli troops during a protest calling for lifting the Israeli blockade on Gaza and demanding the right to return to their homeland, at the Israel-Gaza border fence in Gaza October 19, 2018.

Students from St Andrews University are covered in foam as they take part in the traditional 'Raisin Weekend' in the Lower College Lawn, at St Andrews in Scotland, Britain October 22, 2018.

Attendees take photos and videos with their phones of U.S. President Donald Trump as he attends the "2018 Young Black Leadership Summit" in the East Room of the White House in Washington, U.S., October 26, 2018.

Saudi Arabia's Crown Prince Mohammed bin Salman poses for a selfie during the Future Investment Conference in Riyadh, Saudi Arabia, October 23, 2018.

A caravan of thousands of migrants from Central America, en route to the United States, makes its way to San Pedro Tapanatepec from Arriaga, Mexico October 27, 2018.

Boys pray outside the Tree of Life synagogue following Saturday's shooting at the synagogue in Pittsburgh, Pennsylvania, U.S., October 29, 2018.

Migrants, part of a caravan from Central America en route to the United States, waves the colors of the Honduras flag as they celebrate after crossing into Mexico from Guatemala through the Suchiate River in Ciudad Hidalgo, Mexico October 29, 2018.

Fishermen are seen at work in the port of Matosinhos, Portugal, May 28, 2018. Picture taken May 28, 2018.

A migrant, part of a group intercepted off the coast in the Mediterranean Sea, stands in a queue after arriving on a rescue boat at the port of Motril, southern Spain October 2, 2018.

Japan's new minister in charge of local economic revitalisation Satsuki Katayama leaves a photo session with other ministers at Prime Minister Shinzo Abe's official residence in Tokyo, Japan October 2, 2018.

A woman holds a stuffed rabbit toy after it was found at her destroyed home where she said she had lost her three children, in Palu, Central Sulawesi, Indonesia, October 7, 2018.

An American flag flies amongst rubble left in the aftermath of Hurricane Michael in Mexico Beach, Florida, U.S. October 11, 2018.

A Honduran migrant protects his child after fellow migrants, part of a caravan trying to reach the U.S., stormed a border checkpoint in Guatemala, in Ciudad Hidalgo, Mexico October 19, 2018.

A member of the New York Police Department bomb squad is pictured outside the Time Warner Center in the Manhattan borough of New York City after a suspicious package was found inside the CNN Headquarters in New York, U.S., October 24, 2018.

A group of men, part of a caravan of thousands of migrants from Central America en route to the U.S., pull down the border gate with the intention to carry on their journey, in Tecun Uman, Guatemala, October 28, 2018.

Luis Acosta holds 5-year-old Angel Jesus, both from Honduras, as a caravan of migrants from Central America en route to the United States crossed through the Suchiate River into Mexico from Guatemala in Ciudad Hidalgo, Mexico October 29, 2018.

A lifeguard passes one of Royal Deluxe's giant marionette puppets as it lies on the beach at New Brighton, Britain, October 5, 2018.

Members of group "Colla Vella dels Xiquets de Valls" form a human tower called "castell" during a biannual human tower competition in Tarragona, Spain, October 7, 2018.

A Palestinian man argues with an Israeli soldier during clashes over an Israeli order to shut down a Palestinian school near Nablus in the occupied West Bank October 15, 2018.

People have fun on a beach during sunset at Ko Kut island in Trat Province, Thailand October 27, 2018.