Gorillas at Royal Burgers’ Zoo, Arnhem, Netherlands, on November 28, 2013. (Photo by Vidi Photo/Startraks Photo New York)

A three-month-old Sumatran tiger cub named “Bandar” shows his displeasure after being dunked in the tiger exhibit moat for a swim reliability test at the National Zoo in Washington, on November 6, 2013. All cubs born at the zoo must take a swim test before being allowed to roam in the exhibit. Bandar passed his test. (Photo by Manuel Balce Ceneta/Associated Press)

Sergeant Andrew Garrett watches K-Dog, a bottlenose dolphin attached to Commander Task Unit 55.4.3, leap out of the water while training near the USS Gunston Hall March 18, 2003 in the Persian Gulf. (Photo by U.S. Navy/Getty Images)

An Egyptian Coptic Christian women holds onto a pew during the celebration of Christmas Nativity Liturgy, the start of Christmas, at the Coptic Orthodox Church of St. George on January 6, 2012 in the Brooklyn borough of New York City. (Photo by Spencer Platt/Getty Images)

“Peter Michael Falk (September 16, 1927 – June 23, 2011) was an American actor, best known for his role as Lieutenant Columbo in the television series Columbo. He appeared in numerous films and television guest roles and was nominated for an Academy Award twice (for 1960's Murder, Inc. and 1961's Pocketful of Miracles), and won the Emmy Award on five occasions (four for Columbo) and the Golden Globe award once. Director William Friedkin, when discussing Falk's role in his 1978 film The Brink's Job said that «Peter has a great range from comedy to drama. He could break your heart or he could make you laugh»”. – Wikipedia

Photo: American actor Peter Falk, best known for his role as TV detective Columbo. (Photo by Harry Benson/Express/Getty Images). 4th October 1965

A New York window cleaner strapped to the side of The RCA Building in the Rockefeller Center, with St Patrick's Cathedral below him to the left. (Photo by William Lovelace/Express/Getty Images). 2nd May 1961

Comandos de Salvamento rescuers Maria Martinez (L) and Ana Chichilla attend to a wounded homeless man in San Salvador, El Salvador July 16, 2016. The man was attacked with a machete by suspected gang members. In 2015, El Salvador registered a record 103 homicides per 100,000 habitants, making it one of the most dangerous countries in the world outside a war zone. But for many young people who have few chances to distance themselves from rivalries between so-called maras in their schools and neighbourhoods, a civil-society organisation called the Comandos de Salvamento, or Rescue Corps, has been a refuge. (Photo by Jose Cabezas/Reuters)

VIETNAM: A Vietnamese woman, wearing the traditional “ao dai” long dress, poses for photos along peach blossom flowers ahead of the Vietnamese “Tet” (Lunar New Year festival), in a field in Hanoi, Vietnam, February 2, 2016. (Photo by Reuters/Kham)