Time magazine has compiled 70 of the most influential photographs in history, spanning a wide period from 1826 to 2015.
To implement the project, they first turned to experts and then to museum staff, historians and editors around the world.
In addition, photographers, subjects of photos, their friends and relatives had to be interviewed to unearth the incredible stories behind each photo.
Boulevard, Daguero, 1839. This is the first photograph of a human being about a street.
Abraham Lincoln, Matthew Brady, 1860.
1888, Jacob Rees, Robber Inn at 591/2 Mulberry Street.
Third class, Alfred Stieglitz, 1907.
Lunch on the roof of a skyscraper, Unknown, 1932.
With boots suspended 850 meters above the ground, behind the skylines of Central Park and Manhattan, this grand antithesis of the world is a symbol of the indomitable worker spirit.
Flag of the Reichstag, Yevgeny Khaldei, 1945.
Babe retired, Nat Fein, 1948.
At midnight on August 13, 1961, East Germany blockaded the border around West Berlin, the first East German soldier to cross the Berlin Wall.
Execution in Saigon, Eddie Adams, 1968.
On June 11, 1963, on the streets of Saigon, a monk set himself on fire to protest discrimination against Buddhism by the South Vietnamese government.
Invasion of Prague, Joseph Kudelka, 1968.
Iran's execution team, Jahangir Razmi, 1979. In the face of profit, there are only guns and killing.
Hungry Kids and Vultures, Kevin Carter, 1993.
Allende's Last Battle, Luis Orlando Lagos, 1973.
Birmingham, Alabama, Charles Moore, 1963.
Bosnia, Ron Haviv, 1992.
Congolese Gorilla, Brent Stirton, 2007.
War Room, Pete Sousa, 2011.
Nameless Cowboy, Richard Prince, 1989.
Susan Messeras, The Man Who Threw the Molotov cocktail, 1979.
Carriage New Orleans, Robert Frank, 1955.
Famine in Somalia, James Nachtwe, 1992.
Photographed in Kent, John Paul Philo, 1970.
The Horrors of War, Nick Utter, 1972.
Surfing Hippopotamus, Mike Nichols, 2000.
Michael Jordan, Jacobs Rentmeister, 1984.
Iraqi girl at checkpoint, Chris Hondros, 2005.
Jewish boy surrenders in Warsaw, author unknown, 1943.
Hitler at a Nazi Rally, Heinrich Hoffmann, 1934.
Gandhi and his spinning wheel, Margaret Burke White, 1946.
Crash of the Hindenburg airship, Sam Schell, 1937.
Dalí Atomic Bomb, Philip Halsman, 1948.
Ailan Kurdi, Nilufer Demir, 2015。 Photography has become a symbol of refugee tragedy.
It depicts a 3-year-old Syrian boy who tragically died on September 2, 2015 with several relatives, as his family tried to cross the Mediterranean Sea.
Flag Raising on Iwo Jima, Joe Rosenthal, 1945.
A couple in raccoon coats, James van der Zer, 1932.
Village Physician, Eugene Smith, 1948.
Critic, Viggie (Arthur Felig), 1943.
The Hague, Erich Zalomon, 1930.
Stills from Untitled Film Stills, Cindy Sherman, 1978.
The Fallen Man, Richard Drew, 2001.
Bloody Saturday, S· H· Wong, 1937.
Rise of the Earth, William Anders, 1968.
Liverpool Four Pillow Fight, Harry Benson, 1964.
Christmas Eve, Malik Sidib, 1963.
North Korea, David Guttenfelder, 2013.
Emmett Till, David Jackson, 1955.
Muhammad Ali with Sonny Liston, Neil Leve, 1965.
Mao Zedong swimming in the Yangtze River, author unknown, 1966.
Man on the Moon, Neil Armstrong, 1969.
The Ship Without a Smile, Edward Adams, 1977.
Fort Peck Dam, Margaret Burke White, 1936.
In 1976, Sam Nzima's Soweto uprising.
Demi Moore, Anne Leibovitz, 1991.
Dovima with Elephant, Dior Evening Dress, Paris, August 1955, Richard Avedon.
Case Study House #22, Los Angeles, Julius Schulman, 1960.
Winston Churchill, Yusuf Cash, 1941.
American Gothic, Gordon Parks, 1942.
Bricklayer, Auguste Zand, 1928.
Heroic Guerrilla (Che Guevara), Alberto Koda, 1960.
Camelot, Heyman Peskin, 1953.
Betty Graber, Frank Polvorni, 1943.
Immigrant mother, Dorothea Lange, 1936.
The Blind Man, Paul Strand, 1916.
Nuclear Mushrooms Over Nagasaki, Lieutenant Charles Levy, 1945.
Fire Escape Accident, Stanley Foreman, 1975.
Alfred Eisenstadt, Japan Victory Day in Times Square, 1945.
Albino Boys, Bevra, don McCullin, 1969.
Black Power Salute, John Dominis, 1968.
At the Mexico City Olympics awards ceremony, African-American athletes raised their fists and played the "Star-Spangled Banner" national anthem in the war for the rights of non-white races.
Jackie in the Wind, Ron Galera, 1971.
The Face of AIDS, Teresa Freire, 1990.
Selfie at the Oscars, Bradley Cooper, 2014.