Most popular Instagram photos of 2019

Pope Francis and Grand Imam of al-Azhar Sheikh Ahmed al-Tayeb kiss each other after signing a document on fighting extremism, during an inter-religious meeting at the Founder's Memorial in Abu Dhabi, United Arab Emirates, February 4, 2019.

Smoke billows as fire engulfs the spire of Notre Dame Cathedral in Paris, France, April 15, 2019.

North Korean leader Kim Jong Un rides a horse during a snowfall in Mount Paektu in this image released October 16, 2019.

Former U.S. President Barack Obama leaves after a meeting with German Chancellor Angela Merkel at the chancellery in Berlin, Germany, April 5, 2019.

First lady Melania Trump kisses Canada's Prime Minister Justin Trudeau next to U.S. President Donald Trump during the family photo with invited guests at the G7 summit in Biarritz, France, August 25, 2019.

Palestinians break their fast by eating iftar meals during the holy month of Ramadan, near the rubble of a building recently destroyed by Israeli air strikes, in Gaza City, May 18, 2019.

A demonstrator uses a sink as a shield during a protest against Chile's government in Santiago, Chile, November 8, 2019.

A woman carries her son in a bucket after collecting water from a municipal water tanker on the outskirts of Chennai, India, July 4, 2019.

The Duke and Duchess of Sussex, Prince Harry and his wife Meghan, visit Auwal Mosque, the first and oldest mosque in South Africa, in the Bo Kaap district of Cape Town, South Africa, September 24, 2019.

A riot police officer on fire, reacts during a protest against Chile's government in Santiago, Chile, November 4, 2019.

A woman stands in front of an apartment building which was damaged by a rocket fired from Syria, in Nusaybin, Turkey, October 10, 2019.

A cat disrupts play in the second half between Mexico's Tigres UANL and Real Salt Lake during their Leagues Cup game in Salt Lake City, Utah, July 24, 2019.

Lightning strikes near an Emirates A380 plane at Christchurch Airport, New Zealand, November 20, 2019.

A recortador jumps over a bull during a contest in a bullring at the San Fermin festival in Pamplona, Spain, July 13, 2019.

Berani, a three-year-old orangutan from Sumatra, is pictured at the Pairi Daiza wildlife park, zoo and botanical garden in Brugelette, Belgium, August 2, 2019.

Guatemalan migrant Ledy Perez embraces her son Anthony while praying to ask a member of the Mexican National Guard to let them cross into the United States, as seen from Ciudad Juarez, Mexico, July 22, 2019.

Hindu women worship the sun god in the polluted waters of the river Yamuna during the Hindu religious festival of Chhath Puja in New Delhi, India, November 3, 2019.

An activist takes part in a Global Climate Strike rally in Kolkata, India, September 20, 2019.

A tiger lays in a pool of water inside a cage at a zoo, during hot and humid weather in Lahore, Pakistan, June 10, 2019.

A shoe polisher waits for customers under graffiti on a wall in Kabul, Afghanistan, June 13, 2019.