1. This is a 1958 photograph of engineers wiring an early computer.
2. This huge box is a hard disk with a storage capacity of only 5 megabytes, filmed in 1956.
3. In the Great Plains of the Americas in the 19th century, tents of the Sioux Native Americans were everywhere.
4. This photograph dates back to 1837 and is believed to be the first selfie ever taken.
5. The 1928 photograph shows the silent film actress Deloris Costello.
6. During the Vietnam War launched by the United States, many babies were orphaned by the war.
7. In August 1964, more than 3,000 workers took a group photo at the Chase Manhattan Bank in New York City.
8. During World War II, someone invented anti-gas strollers and sold thousands of them during the war.
9. In the 90s, today's children may not know much about some things that were popular at that time.
10. In the early 20th century, lumberjacks cut down huge mahogany along the northern coast of California.
11. In 1932, a photographer shot on a steel frame.
12. Submarine armor in 1914.
13. Refusing to sleep in a room in New York City, Native Americans chose to live on the roof of a hotel.
14. This is an aerial photo of the Kowloon Walled City in Hong Kong in 1989, where many Hong Kong films were filmed.
15. In 1957, Sam Shaw took a photo of Marilyn Monroe.
16. In 1940, it was interrupted by a surprise attack by the German army during the rehearsal of the drag show. British soldiers were armed with Bl 6-inch Mk Vii naval guns at Fort Shonymede, England.
17. In 1980, Mount St. Helens erupted, an event that went down in history.
18. In 1967, the last sword duel in French history took place, in which the mayor of Marseille and the presidential candidate of the Socialist Party participated.
19. In 1890, telephone towers before the advent of cables.
20. In 1920, the results of fire-fighting work carried out under extreme winter conditions.
21. In 1990, in Madison Square in New York City, two fashionable women were photographed.
22. The photograph, titled "Wait for Me, Daddy", shows a child running to his father on October 1, 1940, who was about to be deployed during World War II.
23. Arnold Schwarzenegger participated in his first bodybuilding competition at the age of 16.
24. In 1995, Fidel Castro visited the Great Wall.
25. In the 70s, there were some dangerous playgrounds.
26. In 1960, Tyson bit off Holyfield's ear, and the scene got out of control.
27. In 1930, a photograph of a fashionable young woman was shown.
28. In 1973, steelworkers took a group photo on the North Tower of the World Trade Center.
29. In 1988, Michael Jordan made the iconic "free throw line" dunk.
30. Photograph of San Francisco's iconic cliff house shortly before it was destroyed by fire in 1907.
31. In 1908, a photograph of a house being moved was taken, and the real sense of the move was realized.
32. In 1970, Cambodian national guerrilla fighters were taken to a makeshift operating room in a mangrove swamp after being wounded in a U.S. bombing.