Judy, a black collie whose owner was killed by a train when trying to retrieve her after she slipped her lead. (Photo by Evening Standard/Getty Images). 17th December 1976

Raising a flag over the Reichstag is a historic World War II photograph taken during the Battle of Berlin on 2 May 1945, by Yevgeny Khaldei.

A dog trainer works with a previously abandoned dog at a police centre in Saltillo, Mexico March 4, 2016. Stray dogs are adopted by the police from a municipal anti-rabies centre and then trained to help the police patrol the streets, and search for drugs, explosives and weapons. (Photo by Daniel Becerril/Reuters)

Voodoo believers carry dead goats during a ceremony of Fet Gede in a Peristil, a voodoo temple, in Port-au-Prince, Haiti, November 2, 2016. (Photo by Andres Martinez Casares/Reuters)

A man holds a copy of the Koran during a protest against Niger President Mahamadou Issoufou's attendance last week at a Paris rally in support of French satirical weekly Charlie Hebdo, which featured a cartoon of the Prophet Mohammad as the cover of its first edition since an attack by Islamist gunmen, in Niamey January 17, 2015. (Photo by Tagaza Djibo/Reuters)

Nina Leen, one of the first female photographers to work for Life, took pictures for the magazine from 1940 to 1972. In the mid-1940s, her essay, “City Dogs”, featured actors and artists with their pets on the streets of New York City. In late-March, Daniel Cooney Fine Art in New York City, is opening a solo exhibition of Leen’s work that features images from that essay and others. Here: author Fannie Hurst clad in mink coat, enjoying the jumping antics of her Yorkshire terrier Orphan Annie on the street. (Photo by Nina Leen/Pix Inc./The LIFE Picture Collection/Getty Images)

A worker manually changes the direction of the bonde, the typical tram line in Santa Teresa neighborhood, using a rope in Rio de Janeiro, Brazil, September 9, 2015. The Santa Teresa bonde, called “Bondinho” in Portuguese, is running with passengers as a part of a test period, after the service was suspended in 2011 following an accident that killed six people, according to residents. (Photo by Pilar Olivares/Reuters)

Penguins majestically march on sand before heading out for a morning swim. Wildlife photographer Wim van den Heever, 45, visited the Falkland Islands this year to shoot pictures and scout the area for future tours. Wim’s breathtaking images show a small group of king penguins before they head out to sea at sunrise. Here: King Penguins marching during sunrise, Falkland Islands. (Photo by Wim van den Heever/Caters News)