The Week in Pictures: Nov. 26 - Dec. 3

Tragedy in San Bernardino, parade on high alert, a donkey under arrest and more intriguing photos in the Week in Pictures.

. Pope Francis waves as he visits the Koudoukou school to meet people from the Muslim community after leaving the Central Mosque in the PK5 neighborhood on Nov. 30, in Bangui, Central African Republic.

Francis had insisted on coming to PK5, considered to be one of the world’s most dangerous neighborhoods, to appeal for peace in a country where two years of Christian-Muslim violence has forced nearly 1 million people to flee their homes.

Gallery: Pope Francis's Africa Tour Stops at Extremely Dangerous Neighborhood

Gianluigi Guercia / AFP - Getty Images

. A couple embraces following the shooting rampage at the Inland Regional Center, a facility for people with developmental disabilities in San Bernardino, California, on Dec. 2.

At least 14 people were killed and two suspects were dead Wednesday after they allegedly barged into a holiday party in a conference room and unleashed a bloodbath.

Complete Coverage: San Bernardino Shooting

David Bauman / The Press-Enterprise via AP

. Law enforcement surrounds an SUV with its windows shot out that is suspected to be the getaway vehicle for the Inland Regional Center shooters in San Bernardino, California, on Dec. 2.

Gallery: Deadly Mass Shooting in San Bernardino, California

Mario Anzuoni / Reuters

. Refugees and migrants arrive at a beach following a crossing of a part of the Aegean sea from the Turkey's coast to the Greek island of Lesbos, Nov. 28.

Santi Palacios / AP

. An Indian youth plays cricket in the Maidan area of Kolkata on Nov. 29.

Dibyangshu Sarkar / AFP - Getty Images

. Robert Lewis Dear is taken into custody outside a Planned Parenthood center in Colorado Springs, Colorado on Nov. 27. Dear is being held on no bond after killing three people and shooting nine others during an hours-long assault at the clinic.

Gallery: Gunman Shot Three Dead in Colorado Springs

Stringer / Reuters

. A woman looks at a mass of ice harvested from Greenland during an installation on Place du Pantheon for a project called Ice Watch Paris, in Paris, France, Dec. 3. Some 150 world leaders including President Barack Obama joined U.N. Secretary-General Ban Ki-moon this week to kick off two weeks of high-stakes climate talks near Paris.

Gallery: Climate Conference Sparks Global Protests

Benoit Tessier / Reuters

. A leaf clinging to a window is silhouetted by Christmas lights, Nov. 30, in Salina, Kan.

Tom Dorsey / Salina Journal via AP

. Dennis Ferrell, a coal miner of 15 years, watches over conveyer belts carrying coal out of the Sally Ann 1 mine in Welch, W. Va. Now employment is falling further because the world is trying to turn away from coal in hopes of protecting the environment and human health.

Editor’s Note: This image was captured on Oct. 6, but NBC News received it on Dec. 1.

David Goldman / AP

. A woman wearing a mask walks through a Yonghegong Lama temple compound shrouded in smog in Beijing, China, Nov. 30. Authorities in the Chinese capital warned of 'severe pollution' and advised the capital's 20 million inhabitants to stay indoors.

How Hwee Young / EPA

. An Amazon employee, wearing a Santa hat walks past thousands of unpackaged boxes in one of the warehouses at the Amazon logistics center in Pforzheim, Germany, Dec. 1.

Gallery: Huge Crowds Jostle for Early Black Friday Deals

Christoph Schmidt / EPA

. A donkey pokes his head out of the back of a Norman, Okla., Police Department squad car on Dec. 1. Officer Kyle Canaan, in the driver's seat, responded to a call of a donkey on the loose and he transported it to a nearby home.

Robin Strader / Norman Police Department via AP

. Palestinian girls take part in a ballet dancing course, run by the Al-Qattan Center for Children, in Gaza City, on Nov. 25.

Suhaib Salem / Reuters

. Germany's Wolfgang Kimmig-Liebe, who has been volunteering as Santa Claus for years, is searched by a Carabiniere paramilitary police officer before entering in St. Peter's Square at the Vatican to attend Pope Francis general audience on Dec. 2.

Alessandra Tarantino / AP

. A clown marches by heavily armed police stand guard during the Macy's Thanksgiving Day Parade in New York City, Nov. 26.

Gallery: Huge Crowds Jostle for Early Black Friday Deals

Andres Kudacki / AP

. Police officers conduct a manhunt after a mass shooting in San Bernardino, California on Dec. 2.

Syed Rizwan Farook and wife Tashfeen Malik unleashed a hail of bullets on a conference room at the Inland Regional Center, a state-run facility for people with developmental disabilities, and were killed about four hours later in a shootout with police.

Previous Week in Pictures: Nov. 19 - 25

Mike Blake / Reuters